Zalak V. KARENA. Maternal Factors and Perinatal Outcome of Preterm Birth: A Prospective Study. New Horizons in Medicine and Medical Research Vol. 11, [S. l.], p. 160–167, 2022. DOI: 10.9734/bpi/nhmmr/v11/2761B. Disponível em: https://stm.bookpi.org/NHMMR-V11/article/view/7150. Acesso em: 11 jun. 2026.