health research cancer medical research medicine health care lung clinical trial clinical medicine esophageal neoplasms medicare diseases and disorders healthcare policy health treatment health sciences medical specialties diseases and conditions essais cliniques tumeurs de l'oesophage esophagus esophageal cancer oesophage œsophage cancer de l’œsophage adénocarcinome de l’œsophage Authors Boughrassa, Faïza ISBN 9782550607649 9782550607656 Published in Canada