@misc{indiciaeb6a1f0f116d9,
  title = {Effects of feeding and fasting on wolf blood and urine characteristics},
  author = {Glenn D. DelGiudice and Ulysses S. Seal and L. David Mech},
  year = {1987},
  doi = {10.2307/3801619},
  url = {https://pubs.usgs.gov/publication/5222199},
  note = {Source identifier: 5222199}
}