R. Riis
发表
J. Patterson,
W. R. Kelly,
D. Palmer,
1994
.
J. Cummings,
E. Loew,
A. de Lahunta,
1992,
American journal of medical genetics.
G. Aguirre,
R. Riis,
1983
.
S. Nilsson,
P. Bedford,
K. Narfstrōm,
1993
.
G. Rumsey,
H. G. Ketola,
H. A. Poston,
1977,
The Cornell veterinarian.
J. Paul-Murphy,
C. Murphy,
T. Kern,
1996
.
J. Cummings,
A. Lahunta,
E. Loew,
1999,
Equine veterinary journal.
J. Scarlett,
E. Ledbetter,
R. Riis,
2007,
American journal of veterinary research.
A. Lahunta,
F. Scott,
R. Schultz,
1975,
Teratology.
R. Riis,
A. Delahunta,
J. S. Smith,
1977,
The Journal of small animal practice.
S. Schatzberg,
E. Ledbetter,
T. Kern,
2006,
Journal of the American Veterinary Medical Association.
W. Rebhun,
R. Riis,
2010,
Equine veterinary journal. Supplement.
E. Loew,
T. Kern,
B. Sheffy,
1981,
American journal of veterinary research.
M. Chavkin,
R. Riis,
P. Scherlie,
1990,
The Cornell veterinarian.
H. Erb,
W. Rebhun,
R. Riis,
1987,
American journal of veterinary research.
R. Riis,
K. Simons,
Connie M. Vitali and,
2008
.
S. Bistner,
R. Riis,
J. S. Smith,
1976,
Journal of the American Veterinary Medical Association.
A. Berent,
R. Riis,
2004
.
T. Kern,
T. Manning,
J. Dziezyc,
1985,
Journal of the American Veterinary Medical Association.
D. Scott,
R. Riis,
E. Rothstein,
1997,
Journal of the American Animal Hospital Association.
J. Cummings,
A. Lahunta,
E. Loew,
1990
.
D. Albert,
M. Essex,
R. Riis,
1983,
Investigative ophthalmology & visual science.
S. McDonough,
R. Riis,
C. Knight,
2009,
Veterinary pathology.
S. Bistner,
R. Riis,
1979,
The Cornell veterinarian.
L. Leibovitz,
R. Riis,
J. S. Smith,
1981
.
G. Rumsey,
G L Rumsey,
S. G. Hughes,
1981,
The Cornell veterinarian.
R. Riis,
2002
.
W. Rebhun,
R. Riis,
P. Scherlie,
2010,
Equine veterinary journal. Supplement.
H. Erb,
P. McDonough,
T. Kern,
1995,
Journal of the American Veterinary Medical Association.
D. Albert,
T. Nork,
N. Syed,
1997,
Archives of ophthalmology.
R. Riis,
2002
.
R. Riis,
2001
.
E. Dubovi,
W. Rebhun,
R. Riis,
1988,
Journal of the American Veterinary Medical Association.
C. Farnum,
N. Wilsman,
K. Jones,
1992,
Calcified Tissue International.
T. Kern,
R. Riis,
1981,
Journal of the American Veterinary Medical Association.
R. Peiffer,
B. Clerc,
R. Riis,
2008
.
S. Nykamp,
P. Scrivani,
R. Riis,
2001,
Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association.
R. Riis,
V. Perman,
R. Alsaker,
1979
.
L. Leibovitz,
R. Riis,
1980,
Journal of the American Veterinary Medical Association.
S. Dougherty,
R. Riis,
P. Scherlie,
1992,
Journal of the American Veterinary Medical Association.
A. Lahunta,
T. Divers,
H. Mohammed,
2001,
CABI Compendium.
C. Murphy,
T. Kern,
R. Riis,
1984,
Journal of the American Veterinary Medical Association.
D. Brooks,
C. Murphy,
T. Kern,
1983,
Journal of the American Veterinary Medical Association.
K. Johnson,
C. Osborne,
R. Riis,
1970,
Journal of the American Veterinary Medical Association.
C. Murphy,
T. Kern,
R. Riis,
1982,
Journal of the American Veterinary Medical Association.
R. Milvae,
R. Riis,
P. L. Cooley,
1984,
American journal of veterinary research.