Background and purpose:
congenital ventricular septal defects are among the most frequently reported congenital heart defects. The aim of this study was to investigate the effect of low level LASER irradiation on induced ventricular septal defects .
Subjects and Methodology: twenty male rabbits who underwent induction for ventricular septal defects by cardiac puncture technique with age ranged 6-10 months enrolled in this study for one and half months.
