@misc{indiciaee12e18757f59,
  title = {A stratified Wilcoxon-type test for trend.},
  author = {J S Fry and P N Lee},
  year = {1991},
  doi = {10.1002/sim.4780100515},
  url = {https://pubmed.ncbi.nlm.nih.gov/1898482/},
  note = {Source identifier: 1898482}
}