@article{ETD, school = {M.P.H.}, author = {Kernan, Jennifer C.}, url = {http://digitalcollections.ohsu.edu/record/651}, title = {Practice variation in spine surgery according to payer}, publisher = {Oregon Health and Science University}, number = {ETD}, doi = {https://doi.org/10.6083/M4R78C6B}, recid = {651}, address = {2011-05-01}, }