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Feman SS, Johnson DA, Walsh WF, Elliott JH.Feman SS, et al.J Tenn Med Assoc. 1995 May;88(5):181-3.J Tenn Med Assoc. 1995.PMID: 7603063No abstract available.
Feman SS, Pritchett P, Johns K, Westrich DJ, Salmon WD Jr.Feman SS, et al.South Med J. 1991 Jun;84(6):780-1. doi: 10.1097/00007611-199106000-00028.South Med J. 1991.PMID: 2052974