@misc{indiciaea91eaca41209,
  title = {Physical activity improves protein utilization in young men.},
  author = {G E Butterfield and D H Calloway},
  year = {1984},
  doi = {10.1079/bjn19840021},
  url = {https://pubmed.ncbi.nlm.nih.gov/6704368/},
  note = {Source identifier: 6704368}
}