Mansoor Zeeshan, Faisal Mehmood, Zareen Gul, Maryam Khan, Ashraf A, Muhammad Umair Shafique. Early Asymptomatic Decline in Left Ventricular Ejection Fraction in Adult Cancer Patients Receiving Trastuzumab. Pak Armed Forces Med J [Internet]. 2023 July 28 [cited 2026 Nov. 14];73(4):1204-7. Available from: https://www.pafmj.org/PAFMJ/article/view/8608