TY - BOOK AU - Roberts,C.J.C (),1946- TI - Gastrointestinal disease SN - 3540125310 PY - 1983/// CY - Berlin PB - Springer-Verlag KW - Gastrointestinal system KW - Diseases KW - Treatment KW - Addresses, essays, lectures KW - Gastrointestinal diseases KW - Diagnosis KW - Therapy ER -