@article{6af438b3697f4f2cb6fd7eed59d486c3,
title = "Defining optimal vitamin D cut-off levels: the role of parathyroid hormone concentrations",
keywords = "Allied health professions and studies",
author = "Karras, \{Spyridon N.\} and Grant, \{William B.\} and Naughton, \{Declan P.\} and Kalliopi Kotsa",
year = "2016",
month = dec,
doi = "10.14310/horm.2002.1703",
language = "English",
volume = "15",
pages = "1--3",
journal = "Hormones",
issn = "1109-3099",
publisher = "Springer Verlag",
number = "4",
}