APA (7th ed.) Citation
HALPERIN, E., & ET AL. (2008). PRE PLACEMENT SCREENING OF RESIDENT PHYSICIANS BY SUBSTANCE ABUSE TESTING: EFFICACY, COST, AND PHYSICIAN OPINIONS.
Chicago Style (17th ed.) Citation
HALPERIN, E.C, and ET AL. PRE PLACEMENT SCREENING OF RESIDENT PHYSICIANS BY SUBSTANCE ABUSE TESTING: EFFICACY, COST, AND PHYSICIAN OPINIONS. 2008.
MLA (9th ed.) Citation
HALPERIN, E.C, and ET AL. PRE PLACEMENT SCREENING OF RESIDENT PHYSICIANS BY SUBSTANCE ABUSE TESTING: EFFICACY, COST, AND PHYSICIAN OPINIONS. 2008.
Warning: These citations may not always be 100% accurate.