biostudies-literatureUnknown363(21)Zhang YNIMH NIH HHSThe New England journal of medicine1985-8https://www.ebi.ac.uk/biostudies/studies/S-EPMC3047447biostudies-literatureGeographic variation in the quality of prescribing.PMC3047447RC1 MH088510-01RC1 MH088510Baicker KZhang YNewhouse JPfalseGeographic variation in the quality of prescribing.2010-01-01T00:00:00Z2010 Nov2025-04-18T16:36:11.785Z2025-04-07T03:53:37.731ZS-EPMC30474472104721710.1056/NEJMp101022010.1056/nejmp1010220