Muhammad Azeem Akhuand’, Ashok Kumar Lohana’, kishore Kumar Khatri’, Zameer Abbassi‘, Farzana Memon’, Ghulam Mustafa Jamali . 2019. “Level of Vitamin D3 in Patients Suffering from Knee Osteoarthritis”. Journal of Peoples University of Medical &Amp; Health Sciences Nawabshah. (JPUMHS) 9 (2):28-37. http://publication.pumhs.edu.pk/index.php/ojs/article/view/442.