Mohammad Asif, Talha Laique. Effects of Isotretinoin on Serum Vitamin-D Levels among Severe Acne Vulgaris patients. Pakistan Journal of Medical & Health Sciences [Internet]. 2024 Apr. 1 [cited 2024 Jul. 17];17(12):38. Available from: https://pjmhsonline.com/index.php/pjmhs/article/view/5411