Zubair, Muhammad, et al. “FREQUENCY OF ESTROGEN RECEPTOR, PROGESTERONE RECEPTOR, AND HER2 NEU EXPRESSION IN BREAST CANCER PATIENTS AT QUETTA – A HOSPITAL-BASED STUDY”. Khyber Journal of Medical Sciences, vol. 18, no. 4, Dec. 2025, doi:10.70520/kjms.v18i4.711.