@misc{indiciae45e2f66a898f,
  title = {The Helsinki Heart Study: basic design and randomization procedure.},
  author = {M Mänttäri and O Elo and M H Frick and K Haapa and O P Heinonen and P Heinsalmi and P Helo and J K Huttunen and P Kaitaniemi and P Koskinen},
  year = {1987},
  doi = {10.1093/eurheartj/8.suppl\_i.1},
  url = {https://pubmed.ncbi.nlm.nih.gov/3322826/},
  note = {Source identifier: 3322826}
}