Vitamin D deficiency among patients attending a central New Zealand rheumatology outpatient clinic

Measures the Vitamin D status in patients attending a rheumatology outpatient clinic because of the known musculoskeletal and immunosuppressive effects of Vitamin D deficiency. Recruits 66 consecutive patients at a private rheumatology clinic at the beginning of winter. Source: National Library of New Zealand Te Puna Matauranga o Aotearoa, licensed by the Department of Internal Affairs for re-use under the Creative Commons Attribution 3.0 New Zealand Licence.