TY - GEN AU - Chang,F Y AU - Lai,K H AU - Wang,T F AU - Lee,S D AU - Tsai,Y T TI - Duodenal ulcer is a multifactorial disorder--the role of pepsinogen I SN - 0256-9574 PY - 1993///0727 KW - Duodenal Ulcer KW - blood KW - Female KW - Humans KW - Male KW - Middle Aged KW - Pepsinogens KW - Risk Factors KW - Smoking N1 - Publication Type: Journal Article ER -