@misc{indiciae99112bd358d6, title = {Sample size determination in studies with matched pairs.}, author = {J L Fleiss and B Levin}, year = {1988}, doi = {10.1016/0895-4356(88)90158-8}, url = {https://pubmed.ncbi.nlm.nih.gov/3418361/}, note = {Source identifier: 3418361} }