COCKEL ROY [red.] 297,471 A colour atlas of gastrointestinal endoscopy / K.F.R. Schiller, Roy Cockel and Richard H. Hunt ; with the collab. of B. Sterry Ashby and Giles W. Stevenson. - London : Chapman and Hall, [1986]. - [14], 240 s. : il. ; 28 cm ISBN 0-412-25590-1