WATSON WILLIAM C. 552,529 MODERN Modern concepts in gastroenterology. -New York and London: Plenum Medical Book Co., [1986].- 2vol. i l . , wykr. ; 24 cm Vol.2. - ed. b y Alan B.R. Thomson, L.R. DaCosta and William C. Watson. - XV, 376 s. V o l . 2. - ed. by Eldon Shaffer and Alan B.R. Thom­ son. - XIV, 319 s. (Topics in Gastroenterology) ISBN 0-306-42303-0 (vol.l) ISBN 0-306-43125-4 (vol.2)