Vitamin D Supplementation in Episodic and Chronic Tension-type Headache

Condition:   Chronic Tension-Type Headache Interventions:   Dietary Supplement: Vitamin D;   Other: Calcium Sponsor:   Hospital de Especialidades, Centro Medico Nacional " La Raza " , Instituto Mexicano del Seguro Social Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials