Simple prediction model for vitamin D deficiency in women with osteoporosis or risk factors for osteoporosis in Thailand

https://www.sciencedirect.com/science/article/pii/S2214623724000486?via%3Dihub&__cf_chl_tk=1elRfhGAxye.jDYrdPmYtYxxroPHh8HJXZ1_u6hAgdw-1735178303-1.0.1.1-QyKdYz15lI.dRZX96MOJ2EIdNi2upy07Kh0H2qSB_J0