Berkel, T.F.M. van

smoking patient cessation smoking cessation smoker intervention disease study heart infarction group program heart disease event smoking cessation program artery quitter follow-up support artery disease month baseline effect smoking cessation interventions mortality health factor smoking behaviour behaviour surgery risk factors advice nicotine hospital table prevention change number cigarette difference nicotine replacement therapy smoking status predictor status outpatient non-smokers death interview characteristic smoking cessation intervention therapy corollary information history nurse result survival intervention group record smoking cessation programs attempt control group smoking habits trial chapter confidence interval smoking stahls clinic control netherland review habit roken visit replacement order prognosis population percentage