title: Morphology of the intradermal phytohaemagglutinin reaction in tuberculin negative subjects.
mesh_terms: D000328:Adult; D000368:Aged; D000917:Antibody Formation; D005260:Female; D006801:Humans; D006968:Hypersensitivity, Delayed; D007279:Injections, Subcutaneous; D037102:Lectins; D008175:Lung Neoplasms / Q000276:immunology*; D008297:Male; D008875:Middle Aged; D012882:Skin Tests; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000276:immunology
chemical_list: D037102:Lectins