@article{d7aa3ba0f90f446189ecf4bc377514f5,
title = "Efficacy of different doses and time intervals of oral vitamin D supplementation with or without calcium in elderly nursing home residents",
author = "V.G.M. Chel and H.A.H. Wijnhoven and J.H. Smit and M.E. Ooms and P.T.A.M. Lips",
year = "2008",
doi = "10.1007/s00198-007-0465-2",
language = "Undefined/Unknown",
volume = "19",
pages = "663--671",
journal = "Osteoporosis international",
issn = "0937-941X",
publisher = "Springer London",
number = "5",
}