TY - GEN AU - NOLAN,K E TI - Serum pepsinogen levels: relation to gastric secretion and gastric biopsy SN - 0025-729X PY - 2000///0701 KW - Biopsy KW - Enzyme Precursors KW - blood KW - Gastric Juice KW - Humans KW - Pepsinogen A KW - Pepsinogens KW - Stomach KW - pathology N1 - Publication Type: Journal Article ER -