title: Pigment aggregation by melatonin in the retinal pigment epithelium and choroid of guinea-pigs, Caviaporcellus.
mesh_terms: D000818:Animals; D002829:Choroid / Q000187:drug effects*; D002856:Chromatophores / Q000187:drug effects; D005260:Female; D006168:Guinea Pigs; D008297:Male; D008550:Melatonin / Q000494:pharmacology*; D010857:Pigment Epithelium of Eye / Q000187:drug effects*; D010858:Pigmentation / Q000187:drug effects*; D012160:Retina / Q000187:drug effects*
chemical_list: D008550:Melatonin