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Yoffe B, Lewis DE, Petrie BL, Noonan CA, Melnick JL, Hollinger FB.Yoffe B, et al. Among authors: petrie bl.Proc Natl Acad Sci U S A. 1987 Mar;84(5):1429-33. doi: 10.1073/pnas.84.5.1429.Proc Natl Acad Sci U S A. 1987.PMID: 2950525Free PMC article.
Adam E, Melnick JL, Probtsfield JL, Petrie BL, Burek J, Bailey KR, McCollum CH, DeBakey ME.Adam E, et al. Among authors: petrie bl.Lancet. 1987 Aug 8;2(8554):291-3. doi: 10.1016/s0140-6736(87)90888-9.Lancet. 1987.PMID: 2886763
Petrie BL, Graham DY, Hanssen H, Estes MK.Petrie BL, et al.J Gen Virol. 1982 Dec;63(2):457-67. doi: 10.1099/0022-1317-63-2-457.J Gen Virol. 1982.PMID: 6296288