R. Machell
发表
J. Hunter,
A. Dick,
R. Machell,
1979,
Postgraduate medical journal.
A. Dick,
P. C. Ciclitira,
R. Machell,
1977,
British medical journal.
C. P. Willoughby,
S. Gould,
R. Cowan,
1988,
Scandinavian journal of gastroenterology. Supplement.
R. Calne,
R. Machell,
1978,
The British journal of radiology.
J. Hunter,
A. Dick,
J. Farthing,
1979,
Gut.