title: [Clinical significance of the PHA skin test in patients with lung cancer, pulmonary tuberculosis and leprosy (author's transl)].
mesh_terms: D006801:Humans; D007918:Leprosy / Q000276:immunology*; D008175:Lung Neoplasms / Q000276:immunology*; D010835:Phytohemagglutinins / Q000494:pharmacology*; D012882:Skin Tests; D014397:Tuberculosis, Pulmonary / Q000276:immunology*
chemical_list: D010835:Phytohemagglutinins