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Attiqa Khalid, Maria Gill, Sadia Nazir, Nazia Farooq, Faiqa Jabeen Naeem, Zaima Ali, Uzma Zafar, Hamid Javaid Qureshi. Serum Estradiol levels during First Trimester of Pregnancy. Pakistan Journal of Medical & Health Sciences [Internet]. 2022 Jul. 30 [cited 2024 Dec. 22];16(07):108. Available from: https://pjmhsonline.com/index.php/pjmhs/article/view/1791