@misc{indiciae9b93a2de7eee,
  title = {Attendance and grades in a human physiology course.},
  author = {C S Hammen and J L Kelland},
  year = {1994},
  doi = {10.1152/advances.1994.267.6.s105},
  url = {https://pubmed.ncbi.nlm.nih.gov/7998607/},
  note = {Source identifier: 7998607}
}