"A Study of Relation between BCG Scar and Atopy in Schoolchildren of Zanjan City "
The Wire Cutter prevalence of atopic disease in recent decades has been dramatically increased.It has been suggested that BCG vaccination may protect against development of allergic diseases.The purpose of this study was to identifying relation between scar of BCG vaccine and atopy.This cross-sectional study was done in 1000 children, 10-15 years o