1. Relationship of serum Vitamin D levels to the severity of tension-type headache
Simon Izuchukwu Ozomma, Sidney Kelechi Oparah1, Mustapha Abudu Danesi,Francis Ibe Ojini, Roosevelt Amaobichukwu Anyanwu, Ibrahim Olabanji Balogun,Grace Eneh Ikeh
Australian Journal of Science and Technology, Volume 9; Issue 3;Page No: 39 - 45