@article{ETD,
      school = {M.S.},
      author = {Willis, Dale M.},
      url = {http://digitalcollections.ohsu.edu/record/1478},
      title = {Onset of respiration in the ventilated sheep fetus in  utero},
      number = {ETD},
      doi = {https://doi.org/10.6083/M46H4FKC},
      recid = {1478},
      address = {1982},
}