Jeraiby M1,2*
1 Department of Biochemistry, Faculty of Medicine, Jazan University, Jazan, Saudi Arabia.
2 laboratory molecular genetics, CHU-Hopital nord Pavillon de biologie, Saint Etinne, France.
*Corresponding author :
Dr. Mohammed A. Jeraiby, MD, Biochemistry Department, Faculty of medicine, Jazan University, P.O. 114, 45142 Jazan, Saudi Arabia
Tel: +966544589494
E-mail: mojer2011@hotmail.com, mmojer@jazanu.edu.sa
ORCID: 0000-0002-5428-9167
Running Title: Low IgG4 related to gene deletion in down syndrome