Shaheen, Robina, Shazia HaiderHaider, Shazia Shaheen, and Uzma Zia. 2023. “Efficacy of Systemic Methotrexate in Unruptured Tubal Pregnancy”. Esculapio Journal of SIMS 10 (3). Pakistan:118-20. https://esculapio.pk/journal/index.php/journal-files/article/view/693.