Cumulative distribution of the percentage of patients in a practice with a smoking status recorded

<p><b>Copyright information:</b></p><p>Taken from "The potential to improve ascertainment and intervention to reduce smoking in Primary Care: a cross sectional survey"</p><p>http://www.biomedcentral.com/1472-6963/8/6</p><p>BMC Health Services Research 2008;8():6-6.</p><p>Published online 11 Jan 2008</p><p>PMCID:PMC2245929.</p><p></p