title: Persistent excretion of cytomegalovirus in heart transplant patients correlates with inversion of the ratio of T helper/T suppressor-cytotoxic cells.
mesh_terms: D003586:Cytomegalovirus Infections / Q000276:immunology* / Q000382:microbiology; D016027:Heart Transplantation; D006801:Humans; D007165:Immunosuppression Therapy / Q000009:adverse effects*; D007958:Leukocyte Count; D013601:T-Lymphocytes / Q000145:classification / Q000276:immunology*; D013602:T-Lymphocytes, Cytotoxic / Q000276:immunology; D006377:T-Lymphocytes, Helper-Inducer / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000276:immunology