Vitamin D status in chronic fatigue syndrome/myalgic encephalomyelitis: a cohort study from the North-West of England
Kate E Earl, Giorgos K Sakellariou, Melanie Sinclair, Manuel Fenech, Fiona Croden, Daniel J Owens, Jonathan Tang, Alastair Miller, Clare Lawton, Louise Dye, Graeme L Close, William D Fraser, Anne McArdle, Michael B J Beadsworth
BMJ Open Nov 2017, 7 (11) e015296; DOI: 10.1136/bmjopen-2016-015296