title: Formaldehyde reactions and the burden of proof.
mesh_terms: D000941:Antigens; D003877:Dermatitis, Contact / Q000209:etiology; D004342:Drug Hypersensitivity / Q000209:etiology; D004781:Environmental Exposure; D005557:Formaldehyde / Q000009:adverse effects* / Q000276:immunology; D006801:Humans; D012130:Respiratory Hypersensitivity / Q000139:chemically induced
chemical_list: D000941:Antigens; D005557:Formaldehyde