Ubaid Ullah Khan, Zhu Ya Lin, Ubaid Ullah, Sajid Ghafoor, Qazi Syed Irfan Ullah Shah, Muhammad Waqas, Saddam Hussain, Junaid Khan (2023) “Effect of Serum Vitamin D Content on the Clinical Course of Psoriasis”, Pakistan Journal of Medical & Health Sciences, 17(03), p. 646. doi: 10.53350/pjmhs2023173646.