- Survey of long-term-care facilities in Iowa for policies and practices regarding residents with methicillin-resistant Staphylococcus aureus or vancomycin-resistant enterococci. Kreman, T., Hu, J., Pottinger, J., Herwaldt, L.A. Infection control and hospital epidemiology : the official journal of the Society of Hospital Epidemiologists of America. (2005)