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L-methylfolate as adjunctive therapy for SSRI-resistant major depression: results of two randomized, double-blind, parallel-sequential trials.
Papakostas GI, Shelton RC, Zajecka JM, Etemad B, Rickels K, Clain A, Baer L, Dalton ED, Sacco GR, Schoenfeld D, Pencina M, Meisner A, Bottiglieri T, Nelson E, Mischoulon D, Alpert JE, Barbee JG, Zisook S, Fava M. Papakostas GI, et al. Am J Psychiatry. 2012 Dec;169(12):1267-74. doi: 10.1176/appi.ajp.2012.11071114. Am J Psychiatry. 2012. PMID: 23212058 Clinical Trial.