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Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association|March 16, 2000
The epidemiology of chemical contaminants of drinking waterR L CalderonFood and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association|March 16, 2000
Measuring risks in humans: the promise and practice of epidemiologyR L CalderonJournal of Clinical Microbiology|January 1, 1981
Quantitative method for enumeration of enterotoxigenic Escherichia coliR L Calderon, M A LevinEmerging Infectious Diseases|December 29, 1998
Increasing hospitalization and death possibly due to Clostridium difficile diarrheal diseaseF Frost, G F Craun, R L CalderonInternational Journal of Environmental Health Research|March 2, 2016
Health effects of swimmers and nonpoint sources of contaminated waterR L Calderon, E W Mood, A P DufourEpidemiology and Infection|November 1, 2000
A serological survey of college students for antibody to Cryptosporidium before and after the introduction of a new water filtration plantF J Frost, T Muller, R L Calderon, et al.Environmental Health Perspectives|July 27, 1999
Excretion of arsenic in urine as a function of exposure to arsenic in drinking waterR L Calderon, E Hudgens, X C Le, et al.Epidemiology and Infection|May 15, 2001
Paired city cryptosporidium serosurvey in the southwest USAF J Frost, T Muller, G F Craun, et al.Environmental Health Perspectives|April 22, 1999
Drinking water arsenic in Utah: A cohort mortality studyD R Lewis, J W Southwick, R Ouellet-Hellstrom, et al.MMWR. CDC Surveillance Summaries : Morbidity and Mortality Weekly Report. CDC Surveillance Summaries|December 22, 1998
Surveillance for waterborne-disease outbreaks--United States, 1995-1996D A Levy, M S Bens, G F Craun, et al.Pageof 2