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Srinivasan V, Smits M, Spence W, Lowe AD, Kayumov L, Pandi-Perumal SR, Parry B, Cardinali DP (2006). «Melatonin in mood disorders». World J. Biol. Psychiatry7 (3): 138-51. PMID16861139. doi:10.1080/15622970600571822.
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Pozo D, García-Mauriño S, Guerrero JM, Calvo JR (agosto de 2004). «mRNA expression of nuclear receptor RZR/RORalpha, melatonin membrane receptor MT, and hydroxindole-O-methyltransferase in different populations of human immune cells». J. Pineal Res.37 (1): 48-54. PMID15230868. doi:10.1111/j.1600-079X.2004.00135.x.
Fèvre-Montange M, Champier J, Szathmari A, Wierinckx A, Mottolese C, Guyotat J, Figarella-Branger D, Jouvet A, Lachuer J (julio de 2006). «Microarray analysis reveals differential gene expression patterns in tumors of the pineal region». J. Neuropathol. Exp. Neurol.65 (7): 675-84. PMID16825954. doi:10.1097/01.jnen.0000225907.90052.e3.
Srinivasan V, Smits M, Spence W, Lowe AD, Kayumov L, Pandi-Perumal SR, Parry B, Cardinali DP (2006). «Melatonin in mood disorders». World J. Biol. Psychiatry7 (3): 138-51. PMID16861139. doi:10.1080/15622970600571822.