Diagnostic delay in Duchenne s muscular dystrophy and cystic fibrosis.
D002675:Child, Preschool; D003550:Cystic Fibrosis / Q000175:diagnosis* / Q000235:genetics; D006801:Humans; D007231:Infant, Newborn; D009136:Muscular Dystrophies / Q000175:diagnosis* / Q000235:genetics; D013997:Time Factors