Development of the platysma muscle and the superficial musculoaponeurotic system (human specimens at 8-17 weeks of development) - De la Cuadra-Blanco, C; Peces-Peña, M D; Carvallo-de Moraes, L O; Herrera-Lara, M E; Mérida-Velasco, J R (ScientificWorldJournal, 2013)