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Cohen SB, Pavlides GP, Krush AJ, Levin LS.Cohen SB, et al. Among authors: levin ls.Md State Med J. 1978 Jul;27(7):64-7.Md State Med J. 1978.PMID: 661397No abstract available.
Burbige EJ, Wennström CJ, Levin LS, Krush AJ.Burbige EJ, et al. Among authors: levin ls.Johns Hopkins Med J. 1975 Feb;136(2):95-7.Johns Hopkins Med J. 1975.PMID: 1117596