O'Neill, KA; Valentino, D. Escapability and generalization: effect on 'behavioral despair'.. European Journal of Pharmacology. 12 March 1982, 78 (3): 379–80. PMID 7067732. doi:10.1016/0014-2999(82)90043-7.
Porsolt, RD; Bertin, A; Jalfre, M. Behavioral despair in mice: a primary screening test for antidepressants.. Archives Internationales de Pharmacodynamie et de Thérapie. October 1977, 229 (2): 327–36. PMID 596982.
O'Neill, KA; Valentino, D. Escapability and generalization: effect on 'behavioral despair'.. European Journal of Pharmacology. 12 March 1982, 78 (3): 379–80. PMID 7067732. doi:10.1016/0014-2999(82)90043-7.