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Detecting somatoform disorders in primary care with the PHQ-15.
van Ravesteijn H, Wittkampf K, Lucassen P, van de Lisdonk E, van den Hoogen H, van Weert H, Huijser J, Schene A, van Weel C, Speckens A. van Ravesteijn H, et al. Among authors: huijser j. Ann Fam Med. 2009 May-Jun;7(3):232-8. doi: 10.1370/afm.985. Ann Fam Med. 2009. PMID: 19433840 Free PMC article.