Ralph Frerichs is Professor Emeritus of Epidemiology at UCLA where he was active as a full-time faculty member in the School of Public Health for 31 years and as the Epidemiology department chair for 13 years, before retiring in late 2008.
Ralph Frerichs is Professor Emeritus of Epidemiology at UCLA where he was active as a full-time faculty member in the School of Public Health for 31 years and as the Epidemiology department chair for 13 years, before retiring in late 2008.
