WAHYUDI, Sofie D.; YENI, Cut M.; UTAMI, Niken A.; HASANUDDIN, Hasanuddin; SEPTIVERA, Yusra; YANI, Muhammad. Association and predictive performance of platelet-to-lymphocyte ratio and maternal serum ferritin level for preterm birth: A prospective cohort study. Narra J, [S. l.], v. 6, n. 2, p. e3131, 2026. DOI: 10.52225/narra.v6i2.3131. Disponível em: https://narraj.org/main/article/view/3131. Acesso em: 15 aug. 2026.