title: Quality assurance: a safe working environment for hospital nurses.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control; D003428:Cross Infection / Q000517:prevention & control*; D006509:Hepatitis B / Q000517:prevention & control; D006801:Humans; D009741:Nursing Staff, Hospital; D009784:Occupational Diseases / Q000517:prevention & control*; D014761:Viral Hepatitis Vaccines / Q000627:therapeutic use
chemical_list: D014761:Viral Hepatitis Vaccines