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Schnur SL, Smith ER, Lee RL, Mas M, Davidson JM.Schnur SL, et al.Physiol Behav. 1989 May;45(5):897-901. doi: 10.1016/0031-9384(89)90212-6.Physiol Behav. 1989.PMID: 2528754
Foreman MM, Hall JL, Love RL.Foreman MM, et al.Psychopharmacology (Berl). 1992;107(2-3):327-30. doi: 10.1007/BF02245156.Psychopharmacology (Berl). 1992.PMID: 1615133
