AbstractCystic fibrosis (CF) is the most common autosomal recessive genetic disease caused by mutation of the CFTR gene. In Romania. CF disease has an estimated a prevalence of 1 case per 2500 live births. Approximately 50% of children die in early life. https://www.spidertattooz.com/iOptron-HAE43EC-Strain-Wave-AZ-EQ-Mount-w-iPolar-High-Precision-Encoder/