@article{10_1016_j_jamda_2012_07_005,
  title = {Protein supplementation improves physical performance in frail elderly people: a randomized, double-blind, placebo-controlled trial},
  author = {Michael Tieland et al.},
  journal = {Journal of the American Medical Directors Association},
  year = {2012},
  doi = {10.1016/j.jamda.2012.07.005},
  url = {https://doi.org/10.1016/j.jamda.2012.07.005},
  note = {Author list abbreviated in the source record; consult the original publication for the complete list.}
}