Pervez, Hassan, Syed Abbas Raza, Ali Hassan, Ali Raza Hashmi, Tayyab Mohyuddin, Arooj Fatima Gillani, Ibrahim Farooq Pasha, et al. 2026. “A Cofactor-Integrated Vitamin D3 Optimization Model Using ACTIVIT D and ACTIVIT Multivitamin–Multimineral by (Doctors prescribed): An Experimental Multisystem Analysis Across Medical Specialties”. History of Medicine 12 (1): 194-212. https://doi.org/10.48047/HM.V12.I1.2026.194-212.