Croup vs epiglottitis vs tracheitis.
D003440:Croup / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004825:Epiglottis; D005260:Female; D006801:Humans; D007223:Infant; D007827:Laryngitis / Q000175:diagnosis*; D014136:Tracheitis / Q000175:diagnosis*