@misc{indiciae75cf1fed283b,
  title = {The relationship between problem solving and activity level in the elderly.},
  author = {R R Turner and M F Nehrke and B K Batt},
  year = {1981},
  doi = {10.1080/03610738108259808},
  url = {https://pubmed.ncbi.nlm.nih.gov/7318853/},
  note = {Source identifier: 7318853}
}