title: Cystic fibrosis : clinical presentation and pitfalls in diagnosis.
mesh_terms: D002675:Child, Preschool; D003550:Cystic Fibrosis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011014:Pneumonia / Q000175:diagnosis; D012141:Respiratory Tract Infections / Q000175:diagnosis*; D013546:Sweating; D014917:Whooping Cough / Q000175:diagnosis