R. Nicholls
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A. Dixon,
B. Morson,
I. K. Fry,
1981,
The British journal of radiology.
A. Dixon,
B. Morson,
I. K. Fry,
1982,
The British journal of surgery.
B. Morson,
R. Nicholls,
J. Whiteway,
1985,
The British journal of surgery.
Ara Darzi,
Alex Bottle,
Paul Aylin,
2011,
BMJ : British Medical Journal.
S. Laurberg,
L. S. Mortensen,
R. Nicholls,
2013,
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.
R. Nicholls,
M. Corman,
2012
.
P. Boyle,
D. Galloway,
R. Nicholls,
1985,
The British journal of surgery.
G. Pedrazzi,
N. Haboubi,
R. Nicholls,
2017,
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.
G. Pedrazzi,
N. Haboubi,
R. Nicholls,
2017,
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.
J. Kinross,
P. Tekkis,
G. Brown,
2015,
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.
A. Darzi,
N. V. As,
S. Laurberg,
2013,
The British journal of surgery.
J. Sheffield,
R. Nicholls,
W. Chambers,
2004,
The British journal of surgery.
R. Nicholls,
R. Zinicola,
G. Binda,
2004,
Techniques in Coloproctology.
P. Nardi,
R. Nicholls,
G. Tegon,
2015,
Techniques in Coloproctology.
J. Northover,
N. Mortensen,
R. Nicholls,
1991,
Springer Berlin Heidelberg.
A. Price,
J. Ritchie,
R. Nicholls,
1991,
The British journal of surgery.
N. Haboubi,
R. Nicholls,
R. Zinicola,
2019,
Annals of oncology : official journal of the European Society for Medical Oncology.
A. Darzi,
Gina Brown,
P. Tekkis,
2013,
Annals of surgery.
G. Buchanan,
R. Nicholls,
C. Cohen,
2004,
The British journal of surgery.
N. Porter,
R. Nicholls,
1985,
British Journal of Surgery.
R. Nicholls,
M. Chir,
M. Pezim,
1984,
Annals of surgery.
D. Lubowski,
R. Nicholls,
D. Donaldson,
1988,
The British journal of surgery.
R. Nicholls,
M. Chir,
W. Pollett,
1983,
Annals of surgery.
A. Darzi,
A. Almoudaris,
E. Burns,
2013,
The British journal of surgery.
J. Satsangi,
N. Kennedy,
N. Kennedy,
2012,
Alimentary pharmacology & therapeutics.
R. Nicholls,
C. Hall,
1996,
The British journal of surgery.
R. Nicholls,
1982,
Recent results in cancer research. Fortschritte der Krebsforschung. Progres dans les recherches sur le cancer.
R. Nicholls,
S. Dubé,
1982,
The British journal of surgery.
R. Nicholls,
S. J. Watson,
1998
.
P. Tekkis,
A. Bhangu,
R. Nicholls,
2013,
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.
R. Nicholls,
2004,
Acta chirurgica Iugoslavica.
F. E. White,
R. Reznek,
J. Young,
1983,
The British journal of radiology.
S. Laurberg,
R. Nicholls,
S. Brandsborg,
2015,
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.
R. Nicholls,
1999
.
R. Nicholls,
2001,
The British journal of surgery.
P. Tekkis,
G. Brown,
A. Bhangu,
2010,
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.
P. Tekkis,
R. Nicholls,
R. J. Nicholls,
2007,
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.
R. Nicholls,
C. van Laarhoven,
F. Herbst,
2001,
The British journal of surgery.
P. Belliveau,
M. Wilks,
R. Nicholls,
1981,
Gut.
P. Belliveau,
R. Nicholls,
A. Parks,
2022
.
R. Nicholls,
A. Parks,
1978,
British medical journal.
R. Nicholls,
1991,
World journal of surgery.
R. Nicholls,
A. A. Brown,
1977,
The British journal of surgery.
I. Talbot,
R. Nicholls,
P. Setti Carraro,
1994,
Gut.
J. Ritchie,
R. Nicholls,
P. Hawley,
1994,
International Journal of Colorectal Disease.
R. Phillips,
M. A. Kamm,
R. Nicholls,
1994,
The British journal of surgery.
J. Satsangi,
P. Hodgkins,
R. Nicholls,
2010,
Gut.
R. Nicholls,
R. Zinicola,
2004,
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.
R. Nicholls,
M. Pezim,
S. Mark,
1985,
The British journal of surgery.
R. Nicholls,
1973,
Lancet.
R. Leicester,
R. Nicholls,
C. Mann,
1990,
International Journal of Colorectal Disease.
A. Forbes,
M. Kamm,
H. Andreyev,
1996,
Journal of clinical gastroenterology.
R. Nicholls,
J. Northover,
M. P. Pintor,
1989,
The British journal of surgery.
R. Nicholls,
G. Romano,
M. W. Ward,
1986
.
C. Bartram,
A. Sultan,
J. Beynon,
1993,
The British journal of surgery.
M. Swash,
D. Lubowski,
M. Henry,
1988,
The British journal of surgery.
B C Morson,
N. Shepherd,
B. Morson,
1987,
Journal of clinical pathology.
R. Nicholls,
A. Banerjee,
Anjan K. Banerjee,
1998,
World Journal of Surgery.
D. Lubowski,
R. Nicholls,
1987,
The British journal of surgery.
D. Lubowski,
R. Nicholls,
M. Chir,
1989,
International journal of colorectal disease.
R. Nicholls,
1990,
Schweizerische medizinische Wochenschrift.
A. Darzi,
E. Burns,
A. Bottle,
2011,
The British journal of surgery.
R. Nicholls,
A. Tsunoda,
Seow‐Choen,
1991,
The British journal of surgery.
R. Nicholls,
M. Pezim,
J. Nicholls,
1985,
The British journal of surgery.
H. Tulchinsky,
R. Nicholls,
C. Cohen,
2003,
The British journal of surgery.
A. Senapati,
J. Ritchie,
R. Nicholls,
1993,
The British journal of surgery.
H. Tulchinsky,
R. Nicholls,
C. Cohen,
2003,
Acta chirurgica Iugoslavica.
N. Shepherd,
R. Nicholls,
R. Moskowitz,
1985,
The British journal of surgery.
R. Nicholls,
P. Setti-Carraro,
A. P.SETTI-C,
1996,
The British journal of surgery.
R. Nicholls,
1987,
World Journal of Surgery.
M. Parker,
R. Nicholls,
1992,
Diseases of the colon and rectum.
N. Shepherd,
R. Nicholls,
R. L. Moskowitz,
1986,
International Journal of Colorectal Disease.
R. Nicholls,
1987
.
R. Nicholls,
1987
.
J. Ritchie,
R. Nicholls,
P. Hawley,
2006
.
J. Ritchie,
R. Nicholls,
P. Hawley,
1994,
Gut.
Z. Cohen,
N. Williams,
J. Utsunomiya,
1986,
International Journal of Colorectal Disease.
A. Senapati,
J. Ritchie,
R. Nicholls,
2004,
International Journal of Colorectal Disease.
M. Henry,
R. Nicholls,
T. G. Allen‐Mersh,
1987,
British Journal of Surgery.
R. Nicholls,
J. Monro,
W. Hately,
1974,
The British journal of surgery.
J. Ritchie,
R. Nicholls,
A. Parks,
1979,
The British journal of surgery.
M. Swash,
S. Snooks,
M. Henry,
1985,
The British journal of surgery.
P. Tekkis,
Anthony Antoniou,
Emile Tan,
2009,
The Lancet. Oncology.
R. Nicholls,
J. Serpell,
W. Mrj.,
1990,
The British journal of surgery.
S. Halligan,
C. Bartram,
R. Nicholls,
1995,
The British journal of surgery.
S. Love,
N. Porter,
R. Nicholls,
1994,
European journal of cancer.
J. Ritchie,
R. Nicholls,
J. Sweeney,
1988
.
R. Nicholls,
P. Mcdonald,
A. M. Driscoll,
1983,
The British journal of surgery.
C. Bartram,
R J Nicholls,
C I Bartram,
1991,
The British journal of surgery.
A. Senapati,
R. Nicholls,
1988,
International Journal of Colorectal Disease.
R. Bergamaschi,
V. Fazio,
R. Nicholls,
2012
.
R. Nicholls,
2012,
Acta chirurgica Iugoslavica.
M. Kamm,
I. Talbot,
A. Emmanuel,
1998,
The British journal of surgery.
S. Stryker,
R. Nicholls,
P. Boulos,
1984,
The British journal of surgery.
D. Lubowski,
R. Nicholls,
M. Chir,
1989,
Diseases of the colon and rectum.
B. T. Jackson,
B. Andrews,
G. Layer,
1993,
Diseases of the colon and rectum.
R. Nicholls,
P. L. Wright,
L. de Jode,
1976,
The British journal of surgery.
D. Melville,
J. Ritchie,
R. Nicholls,
1994,
Gut.
R. Nicholls,
C. Corbett,
N. Fyfe,
1986,
The British journal of surgery.
H. Tulchinsky,
R. Nicholls,
W. Chambers,
2001,
The British journal of surgery.
M. Kenwright,
R. Nicholls,
P. Davies,
1970,
British medical journal.
L. Bobrow,
R. Nicholls,
C. Makin,
1989,
Diseases of the colon and rectum.
J. Lennard-jones,
R. Nicholls,
P. Hawley,
1986,
Diseases of the colon and rectum.
T. Athanasiou,
J. Church,
V. Fazio,
2006,
The British journal of surgery.
P. Tekkis,
R J Nicholls,
J J Smith,
2005,
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.
R. Nicholls,
R. Dozois,
1997
.
R. Nicholls,
I. Sielezneff,
F. Herbst,
1996,
The British journal of surgery.
I. Talbot,
R. Nicholls,
A. Tsunoda,
1990,
The British journal of surgery.
N. Taffinder,
A. Crowe,
A. Irvine,
1992,
Postgraduate medical journal.
R. Nicholls,
2002,
Alimentary pharmacology & therapeutics.
R. Nicholls,
R. Zinicola,
K. Wilkinson,
2003,
The British journal of surgery.
R. Nicholls,
M. Trompetto,
G. Clerico,
2014,
International Journal of Colorectal Disease.
R. Leicester,
R. Nicholls,
P. Hawley,
1982,
The Lancet.
I. Talbot,
R. Nicholls,
P. Carraro,
1992,
Diseases of the colon and rectum.
K. Neale,
H. Bussey,
R. Nicholls,
1991,
The British journal of surgery.
R. Nicholls,
P. Carraro,
1994,
The British journal of surgery.
A. Senapati,
R. Phillips,
R. Nicholls,
1994,
Diseases of the colon and rectum.
R. Nicholls,
G. Romano,
M. Ward,
1987,
The British journal of surgery.
P. Tekkis,
A. Bhangu,
R. Nicholls,
2014,
Annals of surgery.
J. Northover,
N. Mortensen,
R. Nicholls,
1991
.
J. Satsangi,
N. Kennedy,
N. Ventham,
2014,
Journal of Crohn's & colitis.
D. Lubowski,
R. Nicholls,
1988,
The British journal of surgery.
S. Halligan,
C. Bartram,
M. Marshall,
2002,
The British journal of surgery.
M. A. Kamm,
R. Nicholls,
R. McKee,
1998,
The British journal of surgery.
R. Nicholls,
1994,
Annali italiani di chirurgia.
C. Williams,
R. Nicholls,
J. Thomson,
1978,
British medical journal.
A. Darzi,
V. Fazio,
P. Tekkis,
2005,
The British journal of surgery.
R. Nicholls,
J. Simson,
1986,
The British journal of surgery.
J. Northover,
N. Mortensen,
R. Nicholls,
1991
.
C. Williams,
R. Nicholls,
1995,
Gastrointestinal endoscopy.
R. Nicholls,
1983,
Bulletin du cancer.
J. Northover,
N. Mortensen,
R. Nicholls,
1991
.
A. Senapati,
R. Nicholls,
1991,
The British journal of surgery.
R. Nicholls,
1980,
British journal of hospital medicine.
R. Nicholls,
I. Todd,
Michael S. Elliot,
1982,
The British journal of surgery.
R. Nicholls,
R. Springall,
P. Gallagher,
1988,
British medical journal.
A. Silman,
C. Bartram,
F. Macrae,
1983,
The British journal of surgery.
A. Spigelman,
I. Talbot,
K. Neale,
1993,
The British journal of surgery.
R. Nicholls,
1995
.
P. Hodgkins,
I. Arnott,
R. Nicholls,
2015,
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.
R. Nicholls,
C. Talbot,
P. Carraro,
2006
.
P. Tekkis,
R. Nicholls,
2008,
Surgical oncology clinics of North America.
R. Nicholls,
G. Giddins,
J. Serpell,
1991,
Postgraduate medical journal.
P. Tekkis,
K. Neale,
S. Clark,
2011,
Annals of surgery.
R. Nicholls,
P. Goldberg,
1995,
The British journal of surgery.
M. Swash,
D. Lubowski,
M. J. Jordan,
1987,
The British journal of surgery.
P. Tekkis,
R. Nicholls,
R. J. Nicholls,
2018,
Seminars in Colon and Rectal Surgery.
P. Tekkis,
R. Nicholls,
R. J. Nicholls,
2009
.
P. Tekkis,
R. Nicholls,
R. J. Nicholls,
2010
.
A. Silman,
C. Bartram,
F. Macrae,
1985,
The British journal of surgery.