Kumar, Abhishek, Swati Garg, Samarth Shukla, Sourya Acharya, and Sunita Vagha. 2021. “Factors Affecting Uptake of Vitamin D in Gastro-Intestinal Tract”. Journal of Pharmaceutical Research International 33 (60B), 393-99. https://doi.org/10.9734/jpri/2021/v33i60B34634.