@article{articleaff25bc6,
title   = {Screening for vitamin d deficiency in black americans: comparison of total, free, bioavailable 25 hydroxy vitamin d levels with parathyroid hormone levels and bone mineral density},
author = {Mckee, A. and Ribeiro, Sandra Maria Lima and Malmstrom, T.K. and Perry III, H.M. and Miller, D.K. and Farr, S.S. and Niehoff, M.L. and Albert, S.G.},
year = {2018},
doi = {10.1007/s12603-018-1080-y},
journal   = {Journal of Nutrition, Health and Aging}
}