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APA Citation
Deputy, N., Nguyen, P., Pham, H., Nguyen, S., Neufeld, L., Martorell, R., & Ramakrishnan, U. (2017). validity of gestational age estimates by last menstrual period and neonatal examination compared to ultrasound in Vietnam. BMC pregnancy and childbirth, 17(1), 1–9. http://access.bl.uk/ark:/81055/vdc_100081006207.0x00014d