[Multi-levels, fewer differences. Possibly misleading picture based on current analysis of hospitals' results].
Ahlbom
Anders
A
Institutet för miljömedicin, Karolinska institutet, Stockholm. anders.ahlbom@imm.ki.se
Alfredsson
Lars
L
Andersson
Tomas
T
Hallqvist
Johan
J
Strömberg
Ulf
U
D017052:Hospital Mortality; D006761:Hospitals / Q000592:standards*; D006801:Humans; D016015:Logistic Models; D015233:Models, Statistical; D009203:Myocardial Infarction / Q000401:mortality; D016896:Treatment Outcome