@misc{indiciae87c68ea2a494,
  title = {Lines to learning.},
  author = {G R LUDWIG},
  year = {1954},
  doi = {10.1001/jama.1954.73690290009007},
  url = {https://pubmed.ncbi.nlm.nih.gov/13162840/},
  note = {Source identifier: 13162840}
}