Child with macular hyperpigmentation nevus flammeus; and systemic disorders: a variant of phakomatosis pigmentovascularis - Romiti, R.; Nico, M. M. S.; Rezende, M. B.; Cresta, F. B.; Sotto, Mírian Nacagami; Rivitti, Evandro Ararigbóia (European Journal of Pediatric Dermatology, 1998)