This advertisement has not loaded yet, but your article continues below. Steve Haining and Ciara Antoski went deeper than the no-decompression limit at a wreck in 50 metres of water off the coast ...

Background The effect of complex alleles in cystic fibrosis (CF) is poorly defined for the lack of functional studies. Methods We studied 70 homozygous, compound heterozygous or heterozygous for CFTR ...