Messenger, E A The action of melatonin on single amphibian pigment cells in tissue culture. [electronic resource] - British journal of pharmacology Dec 1977 - 607-14 p. digital Publication Type: Journal Article ISSN: 0007-1188 Standard No.: 10.1111/j.1476-5381.1977.tb07554.x doi Subjects--Topical Terms: AnimalsAnuraBiological AssayCalcium--metabolismCells, CulturedCyclic AMP--pharmacologyCyclic GMP--pharmacologyDose-Response Relationship, DrugMelanocytes--drug effectsMelatonin--analysisMembrane PotentialsSkin Pigmentation--drug effectsXenopus