Dr. Mark J. Upfal is an expert in the field of Occupational Medicine. He researched medicine at University of Colorado Denver School of Medicine. University of Colorado Denver School of Medicine is one of the top medical schools in the US. University of Colorado Denver School of Medicine is ranked 35/8 in Research/PrimaryCare. He received awards:"Board of Directors (1995-2006)", "Board of Directors", "President", "Chairman of Examination Development (1992-present)" and "Clinical Associate Professor (1988-present)". Mark Upfal has written publications. He has 18 publications published with PubMed. The lastest paper is: 'Preemployment drug screening: the epidemiologic issues.'
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