HIV testing and blood recipientsRalph R Frerichs; Eugene Seymour · 1993

Book ReviewsFRERICHS, RALPH R · International Journal of Epidemiology · 1987

Cholera and blame in HaitiPiarroux, Renaud; Frerichs, Ralph R · The Lancet Infectious Diseases · 2015

Frerichs, et al, RespondFrerichs, Ralph R.; Coulson, Anne Hersey · American Journal of Public Health · 1980

Small-Community–Based SurveysFrerichs, Ralph R; Shaheen, Magda A · Annual Review of Public Health · 2001

Clinical predictors of bioterrorism-related inhalational anthraxDemetrios N Kyriacou; Adam C Stein; Paul R Yarnold; D Mark Courtney; Regina R Nelson; Gary A Noskin; Jonathan A Handler; Ralph R Frerichs · 2004

Minimum Attack Rate for Measuring Measles Vaccine EfficacyNOURJAH, PARIVASH; FRERICHS, RALPH R · International Journal of Epidemiology · 1995