Dr. Anika Agrawal, Dr Manisha Garg, Dr. Jagdish Singh, Dr Priyanshu Mathur, Dr. Khurshida Khan. A comparative study of 25 hydroxy vitamin D levels in patients of thalassemia and healthy children. Pediatric Rev: int j pediatrics res [Internet]. 2016Sep.30 [cited 2024Nov.24];3(9):652-6. Available from: https://pediatrics.medresearch.in/index.php/ijpr/article/view/169