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Manning PR, Abrahamson S, Dennis DA.Manning PR, et al. Among authors: abrahamson s.J Med Educ. 1968 Mar;43(3):356-9. doi: 10.1097/00001888-196803000-00005.J Med Educ. 1968.PMID: 5640417No abstract available.
Johnson PC, Abrahamson S.Johnson PC, et al. Among authors: abrahamson s.J Med Educ. 1968 Mar;43(3):360-6. doi: 10.1097/00001888-196803000-00006.J Med Educ. 1968.PMID: 5640418No abstract available.