title: Re: Risk factors for lung cancer and for intervention effects in CARET, the Beta-Carotene and Retinol Efficacy trial.
authors.forename: J J
authors.initials: JJ
authors.lastname: Challem
mesh_terms: D016588:Anticarcinogenic Agents / Q000627:therapeutic use*; D002273:Carcinogens / Q000009:adverse effects*; D002986:Clinical Trials as Topic; D004357:Drug Synergism; D000431:Ethanol / Q000009:adverse effects*; D006801:Humans; D007536:Isomerism; D008175:Lung Neoplasms / Q000139:chemically induced* / Q000209:etiology / Q000517:prevention & control*; D012306:Risk; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects*; D016896:Treatment Outcome; D014801:Vitamin A / Q000009:adverse effects*; D019207:beta Carotene / Q000009:adverse effects* / Q000627:therapeutic use*
chemical_list: D016588:Anticarcinogenic Agents; D002273:Carcinogens; D019207:beta Carotene; D014801:Vitamin A; D000431:Ethanol