Umer Saeed1 , Zoolfishan Imran2 , Jamil Ahmed3 , Saman Saeed4 , Faheem Mahmood5 , Mohammad Rizwan6. (2023). PLASMA VITAMIN D TRENDS ACROSS VARIOUS AGE GROUPS IN THE COSMOPOLITAN CITY OF PAKISTAN. Journal of Peoples University of Medical &Amp; Health Sciences Nawabshah. (JPUMHS), 13(2), 177–183. Retrieved from http://121.52.155.46/index.php/ojs/article/view/765