title: Stimulation of lymphocyte transformation by tissue homogenates in recurrent oral ulceration.
mesh_terms: D006801:Humans; D008213:Lymphocyte Activation / Q000276:immunology*; D009059:Mouth Diseases / Q000276:immunology*; D009061:Mouth Mucosa / Q000276:immunology*; D014456:Ulcer / Q000276:immunology