Dilma’aarij, Dilma’aarij, Setyo Sri Rahardjo, and Eti Poncorini Pamungkasari. 2021. “Meta-Analysis the Effect of Oral and Injection Contraceptives on Breast Cancer”. Journal of Maternal and Child Health 6 (2):238-49. https://www.thejmch.com/index.php/thejmch/article/view/582.