AU - Dragstedt LR TI - CAuse of peptic ulcer PT - JOUR DP - 1959 TA - Journal of the American Medical Association pages = {203-209}, VI - 169 IP - 3 AID - 10.1001/jama.1959.03000200001001 [doi] 4100 - http://dx.doi.org/10.1001/jama.1959.03000200001001 SO - Journal of the American Medical Association January 17, 1959 169(3):203