APA (7th ed.) Citation
RUANO-RAVINA, A., & ET AL. (2003). OCCUPATION AND SMOKING AS RISK FACTORS FOR LUNG CANCER: A POPULATION-BASED CASE-CONTROL STUDY.
Chicago Style (17th ed.) Citation
RUANO-RAVINA, A., and ET AL. OCCUPATION AND SMOKING AS RISK FACTORS FOR LUNG CANCER: A POPULATION-BASED CASE-CONTROL STUDY. 2003.
MLA (9th ed.) Citation
RUANO-RAVINA, A., and ET AL. OCCUPATION AND SMOKING AS RISK FACTORS FOR LUNG CANCER: A POPULATION-BASED CASE-CONTROL STUDY. 2003.
Warning: These citations may not always be 100% accurate.