90
Participants
Start Date
November 1, 2018
Primary Completion Date
March 1, 2019
Study Completion Date
April 20, 2019
ascorbic acid
Study Group :- ascorbic acid ( 500 mg per day) for one week before presentation
placebo
:- included 30 students given placebo for one week before presentation.
Kufa University, Najaf
Kufa University
OTHER