@misc{indiciae09997439fde0,
  title = {Variable practice in learning the forehand drive in tennis.},
  author = {Stavros J Douvis},
  year = {2005},
  doi = {10.2466/pms.101.2.531-545},
  url = {https://pubmed.ncbi.nlm.nih.gov/16383091/},
  note = {Source identifier: 16383091}
}