title: Letter: D.N.C.B. skin test in hepatitis.
mesh_terms: D000208:Acute Disease; D002648:Child; D002713:Chlorine; D006506:Hepatitis A / Q000175:diagnosis* / Q000276:immunology; D006509:Hepatitis B / Q000175:diagnosis; D006511:Hepatitis B Antigens / Q000032:analysis; D006801:Humans; D006968:Hypersensitivity, Delayed; D009578:Nitrobenzenes; D012882:Skin Tests
chemical_list: D006511:Hepatitis B Antigens; D009578:Nitrobenzenes; D002713:Chlorine