THE EFFECT OF PARITY AND ORAL-CONTRACEPTIVE USE ON THE DEVELOPMENT OFSYMPTOMATIC GALLBLADDER-DISEASE - RESULTS OF THE ROYAL COLLEGE OF GENERAL-PRACTITIONERS (RCGP) ORAL CONTRACEPTION STUDY
Fe. Murray et al., THE EFFECT OF PARITY AND ORAL-CONTRACEPTIVE USE ON THE DEVELOPMENT OFSYMPTOMATIC GALLBLADDER-DISEASE - RESULTS OF THE ROYAL COLLEGE OF GENERAL-PRACTITIONERS (RCGP) ORAL CONTRACEPTION STUDY, Gastroenterology, 104(4), 1993, pp. 18-18