title: Potentials and limitations of database research illustrated by the QMMP AMI Medicare Mortality Study.
authors.affiliation: Kaiser Foundation Health Plan, Oakland, CA 94612.
authors.forename: M S
authors.initials: MS
authors.lastname: Blumberg
mesh_terms: D015982:Bias; D002140:California; D003627:Data Interpretation, Statistical; D016208:Databases, Factual; D006302:Health Services Research / Q000379:methods*; D006801:Humans; D008331:Management Information Systems; D006278:Medicare / Q000706:statistics & numerical data*; D015233:Models, Statistical; D009203:Myocardial Infarction / Q000401:mortality*; D015996:Survival Rate; D014481:United States