[Sea-squirt asthma. X. Improvement of occupational environment and the occurrence of sea-squirt asthma].
D001249:Asthma / Q000453:epidemiology* / Q000209:etiology; D002816:Chordata, Nonvertebrate; D003888:Desensitization, Immunologic; D004777:Environment; D006801:Humans; D007564:Japan; D009784:Occupational Diseases / Q000453:epidemiology*