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A female Homo erectus pelvis from Gona, Ethiopia.
Simpson SW, Quade J, Levin NE, Butler R, Dupont-Nivet G, Everett M, Semaw S. Simpson SW, et al. Science. 2008 Nov 14;322(5904):1089-92. doi: 10.1126/science.1163592. Science. 2008. PMID: 19008443
Early Pliocene hominids from Gona, Ethiopia.
Semaw S, Simpson SW, Quade J, Renne PR, Butler RF, McIntosh WC, Levin N, Dominguez-Rodrigo M, Rogers MJ. Semaw S, et al. Among authors: butler rf. Nature. 2005 Jan 20;433(7023):301-5. doi: 10.1038/nature03177. Nature. 2005. PMID: 15662421
Rash during pregnancy.
Donnelly AA, Butler RF. Donnelly AA, et al. Among authors: butler rf. Am Fam Physician. 2005 Nov 15;72(10):2075-6. Am Fam Physician. 2005. PMID: 16342839 Free article. No abstract available.
Sources of the medical vocabulary.
Butler RF. Butler RF. J Med Educ. 1980 Feb;55(2):128-9. doi: 10.1097/00001888-198002000-00008. J Med Educ. 1980. PMID: 6986470 No abstract available.
Calibration of the great american interchange.
Marshall LG, Butler RF, Drake RE, Curtis GH, Tedford RH. Marshall LG, et al. Among authors: butler rf. Science. 1979 Apr 20;204(4390):272-9. doi: 10.1126/science.204.4390.272. Science. 1979. PMID: 17800342