Contract data. Set piece.
Majeed
A
A
St George's Hospital Medical School, London.
Pollock
A
A
D000367:Age Factors; D003284:Contract Services / Q000706:statistics & numerical data; D003625:Data Collection; D006297:Health Services Accessibility / Q000706:statistics & numerical data*; D006779:Hospitals, Public / Q000706:statistics & numerical data*; D006801:Humans; D017202:Myocardial Ischemia / Q000453:epidemiology; D012737:Sex Factors; D013222:State Medicine / Q000458:organization & administration; D006113:United Kingdom / Q000453:epidemiology