Low serum levels of 25-hydroxyvitamin D (25-OHD) among psychiatric out-patients in Sweden: relations with season, age, ethnic origin and psychiatric diagnosis.
J Steroid Biochem Mol Biol. 2010 Jul;121(1-2):467-70. doi: 10.1016/j.jsbmb.2010.03.013. Epub 2010 Mar 7.
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PMID: 20214992