Obaid , Hussein Adnan, Noor Abd alkhudhur Salman, Imad Jassim Mohammad, Hanan B. Saadon, and Ali Hussein Jabbar. 2024. “Evaluation of Serum Vitamin D3, PTH, Calcium and Iron Levels in Patients With H. Pylori Infection”. Academia Open 9 (2), 10.21070/acopen.9.2024.10386. https://doi.org/10.21070/acopen.9.2024.10386.