@misc{indiciae10ca06d236b1, title = {Using administrative data for longitudinal research: comparisons with primary data collection.}, author = {L L Roos and J P Nicol and S M Cageorge}, year = {1987}, doi = {10.1016/0021-9681(87)90095-6}, url = {https://pubmed.ncbi.nlm.nih.gov/3805233/}, note = {Source identifier: 3805233} }