Marium Raza, Nighat Jabeen, Maryam Najam, Rizwana Tareen, Ayesha Intekhab, Qamar Uz Zaman Shahzad, Muhammad Hamza 2022. Determine the Mean Levels of Vitamin D in Children with First Episode of Urinary Tract Infection. Pakistan Journal of Medical & Health Sciences. 16, 09 (Nov. 2022), 733. DOI:https://doi.org/10.53350/pjmhs22169733.