Cloacal exstrophy variants. Can blighted conjoined twinning play a role?
We propose that blighted conjoined twinning may be a cause of cloacal exstrophy variant cases.
Measuring Rrs5 and Xrs5 before and after bronchodilator use may help to discriminate PIBO from asthma in children aged three to five years with chronic or recurrent respiratory symptoms.