title: Newspaper advertising could distort research results.
authors.forename: R
authors.initials: R
authors.lastname: Hébert
mesh_terms: D000293:Adolescent; D000329:Advertising; D000367:Age Factors; D000368:Aged; D015982:Bias; D006801:Humans; D008875:Middle Aged; D009524:Newspapers as Topic; D018579:Patient Selection; D015203:Reproducibility of Results; D012107:Research Design; D012737:Sex Factors; D012907:Smoking / Q000009:adverse effects / Q000453:epidemiology*