Shill, L. C., Purba, N. H., Sultana, M., Hasan, T., Rahman, M., & Sultana, N. (2019). An update on osteoporosis research: effect of calcium plus vitamin D supplementation. International Journal Of Community Medicine And Public Health, 6(9), 4120–4128. https://doi.org/10.18203/2394-6040.ijcmph20194028