Zahan, G.A., Mosleh, T., Akter, K., Bari, I., Mannan, M. and Maleq, A. 2017. Validity of New Ballard Score Untill 7th Day of Postnatal Life In Preterm Neonate. Bangladesh Journal of Child Health. 41, 1 (Aug. 2017), 24–27. DOI:https://doi.org/10.3329/bjch.v41i1.33631.