[Chronic bronchitis].
Sil'vestrov
V P
VP
D001991:Bronchitis / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D002908:Chronic Disease; D003937:Diagnosis, Differential; D004502:Education, Medical, Continuing; D006801:Humans; D014586:USSR
Khronicheskiĭ bronkhit.