From the NIH: Occupational asthma from a low-molecular-weight organic chemical.
D001249:Asthma / Q000139:chemically induced* / Q000276:immunology; D003371:Cough / Q000139:chemically induced; D004417:Dyspnea / Q000139:chemically induced; D006801:Humans; D007114:Immunization; D008171:Lung Diseases / Q000139:chemically induced; D008970:Molecular Weight; D009784:Occupational Diseases / Q000139:chemically induced* / Q000276:immunology; D010796:Phthalic Anhydrides / Q000009:adverse effects* / Q000276:immunology; D012220:Rhinitis / Q000139:chemically induced; D013577:Syndrome
D010796:Phthalic Anhydrides; C015559:trimellitic anhydride