@misc{indiciae26d4cf269686,
  title = {Sample size estimation for GEE method for comparing slopes in repeated measurements data.},
  author = {Sin-Ho Jung and Chul Ahn},
  year = {2003},
  doi = {10.1002/sim.1384},
  url = {https://pubmed.ncbi.nlm.nih.gov/12687656/},
  note = {Source identifier: 12687656}
}