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Daily variation of melatonin content in the optic lobes of the crab Neohelice granulata.
Maciel FE, Geihs MA, Vargas MA, Cruz BP, Ramos BP, Vakkuri O, Meyer-Rochow VB, Maia Nery LE, Allodi S. Maciel FE, et al. Among authors: cruz bp. Comp Biochem Physiol A Mol Integr Physiol. 2008 Feb;149(2):162-6. doi: 10.1016/j.cbpa.2007.11.007. Epub 2007 Nov 29. Comp Biochem Physiol A Mol Integr Physiol. 2008. PMID: 18165131