Validation of the Patients Health Questionnaire-9 (PHQ-9), PHQ-2, Generalized Anxiety Disorder-7 (GAD-7), and GAD-2 in patients with tension-type headache

Seo, JG; Kim, SY; Moon, HJ; Do, JK; Park, SP

CEPHALALGIA, 2017; 37 ( ): 230