Burnham, Ellen L Ethics of Health Research Supported by For-Profit Cannabis Companies: What Have We Learned from Big Tobacco? [electronic resource] - Annals of the American Thoracic Society 03 2019 - 396-397 p. digital Publication Type: Letter; Comment ISSN: 2325-6621 Standard No.: 10.1513/AnnalsATS.201811-764LE doi Subjects--Topical Terms: CannabisDyspneaHumansPulmonary Disease, Chronic ObstructiveTobacco Products