Acute Hepatitis C Virus Infections Attributed to Unsafe Injection Practices at an Endoscopy Clinic -- Nevada, 2007. - Labus, B.; Sands, L.; Rowley, P.; Azzam, I. A.; Holmberg, S. D.; Perz, J. F.; Patel, P. R.; Fischer, G. E.; Schaefer, M. (MMWR: Morbidity & Mortality Weekly Report, 2008)