title: Beta-carotene and lung cancer: a lesson for future chemoprevention investigations?
authors.affiliation: Division of Cancer Prevention, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA. greenwap@dcpc31.nci.nih.gov
authors.forename: Peter
authors.initials: P
authors.lastname: Greenwald
mesh_terms: D016588:Anticarcinogenic Agents / Q000008:administration & dosage* / Q000009:adverse effects*; D002273:Carcinogens / Q000008:administration & dosage* / Q000009:adverse effects*; D018890:Chemoprevention / Q000379:methods; D019587:Dietary Supplements; D006801:Humans; D008175:Lung Neoplasms / Q000139:chemically induced* / Q000209:etiology / Q000517:prevention & control*; D008297:Male; D016032:Randomized Controlled Trials as Topic; D012907:Smoking / Q000009:adverse effects*; D017211:Treatment Failure; D019207:beta Carotene / Q000008:administration & dosage* / Q000009:adverse effects*
chemical_list: D016588:Anticarcinogenic Agents; D002273:Carcinogens; D019207:beta Carotene