Effect of varying levels of disease management on smoking cessation: a randomized trial.
Ellerbeck EF, Mahnken JD, Cupertino AP, Cox LS, Greiner KA, Mussulman LM, Nazir N, Shireman TI, Resnicow K, Ahluwalia JS.
Ellerbeck EF, et al. Among authors: cox ls.
Ann Intern Med. 2009 Apr 7;150(7):437-46. doi: 10.7326/0003-4819-150-7-200904070-00003.
Ann Intern Med. 2009.
PMID: 19349629
Free PMC article.
Clinical Trial.