title: Cholera toxoid reactions in human volunteers: clinical and histological studies.
mesh_terms: D000992:Antitoxins / Q000032:analysis; D001706:Biopsy; D022121:Cholera Vaccines; D004768:Enterotoxins; D005557:Formaldehyde; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000209:etiology* / Q000473:pathology; D007271:Injections, Intradermal; D007279:Injections, Subcutaneous; D012867:Skin / Q000473:pathology; D014121:Toxoids / Q000008:administration & dosage / Q000009:adverse effects*
chemical_list: D000992:Antitoxins; D022121:Cholera Vaccines; D004768:Enterotoxins; D014121:Toxoids; D005557:Formaldehyde