Adoption, reach and effectiveness of computer-based, practitioner delivered and combined smoking interventions in general medical practices: A three-arm cluster randomized trial

Christian Meyer^*, Sabina Ulbricht, Beatrice Gross, Lissy Kästel, Sabine Wittrien, Gudrun Klein, Britta A. Skoeries, Hans Jürgen Rumpf, Ulrich John

^*Corresponding author for this work