Herr, NR; Williams JW, Jr; Benjamin, S; McDuffie, J (2 de julho de 2014). «Does this patient have generalized anxiety or panic disorder?: The Rational Clinical Examination systematic review». JAMA: The Journal of the American Medical Association (em inglês). 312 (1): 78–84. PMID25058220. doi:10.1001/jama.2014.5950
Herr, NR; Williams JW, Jr; Benjamin, S; McDuffie, J (2 de julho de 2014). «Does this patient have generalized anxiety or panic disorder?: The Rational Clinical Examination systematic review». JAMA: The Journal of the American Medical Association (em inglês). 312 (1): 78–84. PMID25058220. doi:10.1001/jama.2014.5950