Herr, NR; Williams JW, Jr; Benjamin, S; McDuffie, J (2 tháng 7 năm 2014). “Does this patient have generalized anxiety or panic disorder?: The Rational Clinical Examination systematic review”. JAMA: The Journal of the American Medical Association. 312 (1): 78–84. doi:10.1001/jama.2014.5950. PMID25058220.
Herr, NR; Williams JW, Jr; Benjamin, S; McDuffie, J (2 tháng 7 năm 2014). “Does this patient have generalized anxiety or panic disorder?: The Rational Clinical Examination systematic review”. JAMA: The Journal of the American Medical Association. 312 (1): 78–84. doi:10.1001/jama.2014.5950. PMID25058220.