D. Olson

发表

J. Hughes, T. Horan, W. Jarvis, 1986, MMWR. CDC surveillance summaries : Morbidity and mortality weekly report. CDC surveillance summaries.

W J Martone, R. Gaynes, W. Martone, 1991, American journal of infection control.

W. Martone, W. Jarvis, O. Tablan, 1987, European Journal of Epidemiology.