@misc{indiciae6cf6c5f625a6, title = {Using administrative data from Manitoba, Canada to study treatment outcomes: developing control groups and adjusting for case severity.}, author = {N P Roos}, year = {1989}, doi = {10.1016/0277-9536(89)90137-8}, url = {https://pubmed.ncbi.nlm.nih.gov/2928819/}, note = {Source identifier: 2928819} }