00387nas a2200157   4500000000100000000000100001008004100002100001400043700001400057700001300071700001300084245009700097300001400194490000700208022001400215       2018                            d1 aK. Rhodes1 aR. Turner1 aR. Payne1 aI. White00aComputationally efficient methods for fitting mixed models to electronic health records data  a4557-45700 v37  a0277-6715