1.
Mahmood AT, Ahmed AS, Mohammed AJ. Measurement of Calcium and Vitamin D3 Levels in the Blood Serum of Smokers and Compared to Healthy Controls. Amer.Jour.Bio.Nat.Scien. [Internet]. 2024 Oct. 18 [cited 2025 Aug. 20];1(8):105-10. Available from: https://biojournals.us/index.php/AJBNS/article/view/210