Validation of the Headache Impact Test (HIT-6) in patients with chronic migraine

OnabotulinumtoxinA for treatment of chronic migraine: Results from the double-blind, randomized, placebo-controlled phase of the PREEMPT 1 trial

(2010) SK Aurora et al.   CEPHALALGIA

OnabotulinumtoxinA for treatment of chronic migraine: Results from the double-blind, randomized, placebo-controlled phase of the PREEMPT 2 trial

(2010) HC Diener et al.   CEPHALALGIA

Validation of the Headache Impact Test (HIT-6™) across episodic and chronic migraine

(2010) Min Yang et al.   CEPHALALGIA

Tracing transformation: Chronic migraine classification, progression, and epidemiology

(2009) R. B. Lipton   NEUROLOGY

Guidelines for Controlled Trials of Prophylactic Treatment of Chronic Migraine in Adults

(2008) S Silberstein et al.   CEPHALALGIA

Acute Migraine Medications and Evolution From Episodic to Chronic Migraine: A Longitudinal Population-Based Study

(2008) Marcelo E. Bigal et al.   HEADACHE

A simulation study provided sample size guidance for differential item functioning (DIF) studies using short scales

(2008) Neil W. Scott et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Reduction in the impact of chronic migraine with medication overuse after day-hospital withdrawal therapy

(2008) Susanna Usai et al.   NEUROLOGICAL SCIENCES

Clinical course in migraine: Conceptualizing migraine transformation

(2008) M. E. Bigal et al.   NEUROLOGY