Sanju Acharya and Dr.Ashutosh Jain, “SERUM VITAMIN D DEFICIENCY LEVELS IN INFERTILE INDIAN WOMEN: COMPARATIVE EVALUATION WITH GLOBAL EVIDENCE”, J Popl Ther Clin Pharmacol, vol. 33, no. 2, pp. 106–111, Feb. 2026, doi: 10.53555/hky3jb07.