@misc{indiciaec1492da591b2,
  title = {A general formulation for a one-sided group sequential design.},
  author = {Barry K Moser and Stephen L George},
  year = {2005},
  doi = {10.1191/1740774505cn120oa},
  url = {https://pubmed.ncbi.nlm.nih.gov/16422312/},
  note = {Source identifier: 16422312}
}