Hussain, N. et al. 2020. LEVELS OF VITAMIN D AND VITAMIN D PATHWAY GENE POLYMORPHISMS IN ADULTS: RESULTS BASED ON RURAL AGRICULTURE WORKERS IN PUNJAB PROVINCE OF PAKISTAN. Progress in Nutrition. 22, 2 (Jun. 2020), 485–492. DOI:https://doi.org/10.23751/pn.v22i2.8180.