Global prevalence of neonatal mortality in preterm infants: a systematic review and meta-analysis.

Isabela Cristina Santos Freire de Paula, Caroline Souza Dos Santos, Renata Iani Werneck, Cristiano Miranda de Araujo, Ádelin Olívia Lopes Joly Rodrigues, Angela Leite Mendes, Everson Ribeiro de Lima, Michelle de Fatima Tavares Alves, Mario Vianna Vettore, Samuel Jorge Moysés, Juliana Schaia Rocha Orsi