Rani, K.; Fatima, F.; Riaz, H. .; Laghari, S.; Laghari, H. .; Khuwaja, A. H. . The Relationship Between Occupation and Serum Vitamin D Levels in Females During Summer in Sindh, Pakistan : Occupation and Serum Vitamin D Levels Relationship. DF 2023, 4, 51-56.