TY - GEN AU - Troc,P AU - Katz,J TI - [VIP: clinical value] SN - 0300-9033 PY - 1989///0919 KW - Gastrointestinal Diseases KW - etiology KW - Humans KW - Vasoactive Intestinal Peptide KW - blood N1 - Publication Type: Journal Article ER -