@article{kosberg1990-2347506,
  author  = {Kosberg, J I and Cairl, R E and Keller, D M},
  title   = {{Components of burden: interventive implications}},
  journal = {The Gerontologist},
  year    = {1990},
  doi     = {10.1093/geront/30.2.236},
  pmid    = {2347506},
  url     = {https://doi.org/10.1093/geront/30.2.236}
}