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Baggott JE, Morgan SL, Freeberg LE, Hudson BB, Vaughn WH, Gopal Nair M, Krumdieck CL, Koopman WJ, Gay RE, Gay S.Baggott JE, et al. Among authors: koopman wj.Agents Actions. 1992 Jan;35(1-2):104-11. doi: 10.1007/BF01990959.Agents Actions. 1992.PMID: 1509970