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Langlois M, Brémont B, Rousselle D, Gaudy F (1993). "Structural analysis by the comparative molecular field analysis method of the affinity of beta-adrenoreceptor blocking agents for 5-HT1A and 5-HT1B receptors". Eur. J. Pharmacol. 244 (1): 77–87. doi:10.1016/0922-4106(93)90061-d. PMID8093601.