Background: Studies on Bubble Continuous Positive Airway Pressure (B-CPAP) as respiratory support for neonates are few. The aim of our study was to determine the efficacy and safety of B-CPAP in preterm and term neonates requiring respiratory support and to study its failure factors. so we can come out of it and utilize this non-invasive cost effective method widely and successfully. ... https://allfixelectricales.shop/product-category/spst-9volt-relay/