Rao P, Ravikant R, Soni S, Singh DK. To study the estrogen (ER) and progesterone (PR) receptor in case of primary and metastatic breast cancer. Int. J. of Health Sci. [Internet]. 2022 Aug. 5 [cited 2025 May 17];6(S8):1827-32. Available from: https://sciencescholar.us/journal/index.php/ijhs/article/view/11577