Rahman, M. Lutfor, Aysha Sultana, and Kalyan Das. 2018. ‚ÄúDetermination of Gestational Age: A Perspective With the Bangladeshi Ethnicity‚ÄĚ. European Scientific Journal, ESJ 14 (6), 375. https://doi.org/10.19044/esj.2018.v14n6p375.