Effect of oral stimulation on premature newborns' feeding performance: a systematic review. - Figueiredo, Inês Ferreira; Grilo, Margarida; Campos, Susana Garcia; Rodrigues, Inês Tello (Brazilian Journal of Mother & Child Health (BJMCH) / Revista Brasileira de Saude Materno Infantil (RBSMI), 2025)