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Ray A, Henke PG, Gulati K, Sen P.Ray A, et al. Among authors: sen p.Brain Res. 1993 Oct 8;624(1-2):286-90. doi: 10.1016/0006-8993(93)90089-6.Brain Res. 1993.PMID: 8252401
Ray A, Mediratta PK, Sen P.Ray A, et al. Among authors: sen p.Physiol Behav. 1992 Feb;51(2):293-6. doi: 10.1016/0031-9384(92)90143-p.Physiol Behav. 1992.PMID: 1313589
Puri S, Ray A, Chakravarti AK, Sen PA.Puri S, et al. Among authors: sen pa.Pharmacol Biochem Behav. 1994 Mar;47(3):749-52. doi: 10.1016/0091-3057(94)90184-8.Pharmacol Biochem Behav. 1994.PMID: 7911580
Puri S, Ray A, Chakravarti AK, Sen P.Puri S, et al. Among authors: sen p.Pharmacol Biochem Behav. 1994 May;48(1):53-6. doi: 10.1016/0091-3057(94)90497-9.Pharmacol Biochem Behav. 1994.PMID: 7913231
Khanna N, Goswami M, Sen P, Ray A.Khanna N, et al. Among authors: sen p.Indian J Exp Biol. 1995 Nov;33(11):848-50.Indian J Exp Biol. 1995.PMID: 8786160