title: Skin reactions to phytohaemagglutinin.
mesh_terms: D004342:Drug Hypersensitivity; D004890:Erythema / Q000139:chemically induced*; D006801:Humans; D006968:Hypersensitivity, Delayed; D007271:Injections, Intradermal; D037102:Lectins / Q000494:pharmacology*; D007945:Leukemia, Lymphoid / Q000276:immunology*; D012507:Sarcoidosis
chemical_list: D037102:Lectins