Ever Use of Emerging Tobacco Products by Cigarette Smoking Status and Other Characteristics
Robert C. McMillen, PhD1, Jeomi Maduka, BS2 and Jonathan Winickoff, MD, MPH2
(1)Mississippi State University, Starkville, MS, (2)Massachusetts General Hospital for Children, Harvard Medical School, Boston, MA
(1)Mississippi State University, Starkville, MS, (2)Massachusetts General Hospital for Children, Harvard Medical School, Boston, MA