title: [Study on the skin reaction of PHA, with special reference to its clinical evaluation].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008213:Lymphocyte Activation; D008875:Middle Aged; D010835:Phytohemagglutinins / Q000494:pharmacology*; D012871:Skin Diseases / Q000276:immunology*; D012882:Skin Tests
chemical_list: D010835:Phytohemagglutinins