Estimating catchment populations: implications for target allocations.
D002391:Catchment Area, Health; D003361:Cost Allocation; D003625:Data Collection; D006767:Hospitals, District / Q000706:statistics & numerical data*; D006779:Hospitals, Public / Q000706:statistics & numerical data*; D006801:Humans; D008962:Models, Theoretical; D011157:Population Dynamics; D006113:United Kingdom