P B Cotton, G N J Tytgat & C B Williams [editors]: books & textbook
Annual of Gastrointestinal Endoscopy 1990 & 1992 [ two volumes ]
P B Cotton, G N J Tytgat & C B Williams [editors]:
London: Current Science, 1990. /1990T Hardcover
Annual of Gastrointestinal Endoscopy
P B Cotton, G N J Tytgat & C B Williams [editors]:
Current Science /1992T Hardcover / 175 Pages
isbn-10: 1870485513 / isbn-13: 9781870485517
Annual of gastrointestinal endoscopy (10th ed.)
G N J Tytgat & C B Williams [editors]: P B Cotton
Rapid Science / Hardcover
isbn-10: 1856500306 / isbn-13: 9781856500302
