[WHY HAVE WE SO MANY CASES OF CHRONIC SINUSITIS IN OUR COUNTRY?].
D002908:Chronic Disease; D004391:Dust; D004813:Epidemiology; D006798:Housing; D006801:Humans; D007564:Japan; D010336:Pathology; D010827:Physiology; D012852:Sinusitis
D004391:Dust
CHRONIC DISEASE; DUST; EPIDEMIOLOGY; HOUSING; JAPAN; PATHOLOGY; PHYSIOLOGY; SINUSITIS