title: T helper/suppressor ratios in chemotherapy and radiotherapy.
mesh_terms: D001943:Breast Neoplasms / Q000188:drug therapy / Q000276:immunology* / Q000532:radiotherapy; D005260:Female; D006801:Humans; D007958:Leukocyte Count; D006377:T-Lymphocytes, Helper-Inducer; D050378:T-Lymphocytes, Regulatory