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Qaseem A, Wilt TJ, Rich R, Humphrey LL, Frost J, Forciea MA; Clinical Guidelines Committee of the American College of Physicians and the Commission on Health of the Public and Science of the American Academy of Family Physicians; Fitterman N, Barry MJ, Horwitch CA, Iorio A, McLean RM.Qaseem A, et al.Ann Intern Med. 2017 Mar 21;166(6):430-437. doi: 10.7326/M16-1785. Epub 2017 Jan 17.Ann Intern Med. 2017.PMID: 28135725Free article.