title: Clinical aspects of "asthmatic bronchitis" and chronic bronchitis in infants and children.
mesh_terms: D001249:Asthma / Q000175:diagnosis*; D001991:Bronchitis / Q000175:diagnosis* / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D004417:Dyspnea / Q000175:diagnosis; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007564:Japan; D012008:Recurrence; D013183:Sputum / Q000166:cytology / Q000382:microbiology