@misc{indiciae30e0c7b42ac4,
  title = {[A preventive programm for smokers: programm 20 X 20 (author's transl)].},
  author = {M Kunze},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/145556/},
  note = {Source identifier: 145556}
}