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2. Effects of pregnancy and contraceptive steroids on gallbladder function;Braverman, D.Z.; Johnson, M.L.; F, Jr, Kern;N Engl J Med,1980
3. Gallbladder function in the human female: effect of the ovulatory cycle, pregnancy, and contraceptive steroids;Everson, G.E.; McKinley, C.; Lawson, M.; Johnson, M.; Kern, F.;Gastroenterology,1982
4. The effect of progestin on gallbladder function in young women;Shaffer, E.A.; Taylor, P.J.; Gadomski, S.; Corenblum, B.;Amj Obstet Gynecol,1984
5. Gallbladder stasis: consequence of long-term parenteral hyperalimentation and risk factor for cholelithiasis;Holzbach, R.T.