@article{SchulzGerberGroneberg2016,
  author    = {Maria Schulz and Alexander Gerber and Jan David Alexander Groneberg},
  title     = {Are filter-tipped cigarettes still less harmful than non-filter cigarettes?—a laser spectrometric particulate matter analysis from the non-smokers point of view},
  journal   = {International journal of environmental research and public health},
  volume    = {13},
  number    = {4, Art. 429},
  pages     = {1 -- 11},
  doi       = {10.3390/ijerph13040429},
  year      = {2016},
}