Factors and survival of exclusive breastfeeding in preterm infants upon discharge at six months of age - Gallegos-Martínez, Josefina; Reyes-Hernández, Jaime; Torres-Carreón, Fátima de San Carlos; Cuéllar-Miranda, Blanca Esther; Leite, Adriana Moraes; Scochi, Carmen Gracinda Silvan (Journal of Nursing Education and Practice, 2020)