Belcastro, V. J. creator Belcastro, V. J. Dobelbower, Ralph R. text Berlin New York Springer-Verlag 1990 Nil monographic xiv, 301 p. ill. ; Digestive organs Digestive System Neoplasms 615.842 BEL 3540505059 (Berlin : alk. paper) 0387505059 (U.S. : alk. paper)