Rosenberg RE, Ahmed ANU, Ahmed S, Saha SK, Chowdhury MA, Black RE, Santosham M, Darmstadt GL. Determining Gestational Age in a Low-resource Setting: Validity of Last Menstrual Period. J Health Popul Nutr [Internet]. 2009 Sep. 15 [cited 2024 Nov. 21];27(3):332-8. Available from: https://banglajol.info/index.php/JHPN/article/view/3375