In vivo and in vitro effects of melatonin on cell growth and melanogenesis in cloudman murine melanoma - Almeida, A L K M; Visconti, Maria Aparecida; Carneiro, R C G; Markus, Regina P; Castrucci, Ana Maria de Lauro (Reuniao Anual da Federacao de Sociedades de Biologia Experimental, 1994)