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Basbaum AI, Clanton CH, Fields HL.Basbaum AI, et al.Proc Natl Acad Sci U S A. 1976 Dec;73(12):4685-8. doi: 10.1073/pnas.73.12.4685.Proc Natl Acad Sci U S A. 1976.PMID: 1070018Free PMC article.
Liu H, Llewellyn-Smith IJ, Pilowsky P, Basbaum AI.Liu H, et al. Among authors: basbaum ai.Neurosci Lett. 1992 Apr 13;138(1):183-7. doi: 10.1016/0304-3940(92)90501-w.Neurosci Lett. 1992.PMID: 1407660