”Effects of oral contraceptives on the gallbladder bile of normal women”. N. Engl. J. Med. 294 (4): sid. 189–92. January 1976. doi:10.1056/NEJM197601222940403. PMID 1244533.
”Chenodeoxycholic acid treatment of gallstones. A follow-up report and analysis of factors influencing response to therapy”. The New England Journal of Medicine 293 (8): sid. 378–83. August 1975. doi:10.1056/NEJM197508212930804. PMID 1152936.
Alan F. Hofmann; Johnson L. Thistle; Peter D. Klein; Patricia A. Szczepanik; Paulina Y. S. Yu (1978). ”Chenotherapy for Gallstone Dissolution, II. Induced Changes in Bile Composition and Gallstone Response”. JAMA 239 (12): sid. 1138–1144. doi:10.1001/jama.1978.03280390034017. PMID 628065.
”Effects of oral contraceptives on the gallbladder bile of normal women”. N. Engl. J. Med. 294 (4): sid. 189–92. January 1976. doi:10.1056/NEJM197601222940403. PMID 1244533.
”Chenodeoxycholic acid treatment of gallstones. A follow-up report and analysis of factors influencing response to therapy”. The New England Journal of Medicine 293 (8): sid. 378–83. August 1975. doi:10.1056/NEJM197508212930804. PMID 1152936.
Alan F. Hofmann; Johnson L. Thistle; Peter D. Klein; Patricia A. Szczepanik; Paulina Y. S. Yu (1978). ”Chenotherapy for Gallstone Dissolution, II. Induced Changes in Bile Composition and Gallstone Response”. JAMA 239 (12): sid. 1138–1144. doi:10.1001/jama.1978.03280390034017. PMID 628065.