@article{MuellerSchulzeAckermanetal.2012,
  author    = {Daniel M{\"u}ller and Johannes Schulze and Hanns Ackerman and Doris Klingelh{\"o}fer and Stefanie Uibel and Jan David Alexander Groneberg},
  title     = {Particulate matter (PM) 2.5 levels in ETS emissions of a Marlboro Red cigarette in comparison to the 3R4F reference cigarette under open- and closed-door condition},
  journal   = {Journal of occupational medicine and toxicology},
  volume    = {7},
  number    = {14},
  pages     = {1 -- 9},
  doi       = {doi:10.1186/1745-6673-7-14},
  year      = {2012}
}