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Johnson SM, Duggan AW.Johnson SM, et al. Among authors: duggan aw.Brain Res. 1981 Feb 23;207(1):223-8. doi: 10.1016/0006-8993(81)90698-3.Brain Res. 1981.PMID: 6258733
Hall JG, Duggan AW, Johnson SM, Morton CR.Hall JG, et al. Among authors: duggan aw.Neurosci Lett. 1981 Aug 7;25(1):25-9. doi: 10.1016/0304-3940(81)90095-1.Neurosci Lett. 1981.PMID: 6269028