@misc{indiciae5993d331b391,
  title = {Measuring physical self-efficacy in old age.},
  author = {R J Bosscher and L Laurijssen and E de Boer},
  year = {1993},
  doi = {10.2466/pms.1993.77.2.470},
  url = {https://pubmed.ncbi.nlm.nih.gov/8247667/},
  note = {Source identifier: 8247667}
}