@article{400d8794d3c944d0813da8b51db0b103,
title = "Effects of smoking cigarets on the heart: In Normal Persons and in Cardiac Patients",
author = "Levy, {Robert L.} and Mathers, {James A L} and Mueller, {Alex A.} and Nickerson, {John L.}",
year = "1947",
month = oct,
day = "18",
doi = "10.1001/jama.1947.02890070019005",
language = "English (US)",
volume = "135",
pages = "417--422",
journal = "Journal of the American Medical Association",
issn = "0002-9955",
publisher = "American Medical Association",
number = "7",
}