90
Participants
Start Date
May 1, 2020
Primary Completion Date
April 1, 2021
Study Completion Date
May 1, 2021
Vitamin D Levels measurement using chemiluminescent assay
Measurement of serum vitamin D levels
Vitamin D level assessment
Using lIAISON DEVICE
Misr Al Gadida Military hospital, Cairo
Al-Azhar University
OTHER
Ghamra Military Hospital
OTHER