Input-output relationships in the NHS: inter district variations in ENT surgery within Wales.
West
R R
RR
Farrow
S C
SC
Jones
D A
DA
D006801:Humans; D010036:Otolaryngology; D010038:Otorhinolaryngologic Diseases / Q000601:surgery*; D013222:State Medicine / Q000191:economics*; D013223:Statistics as Topic; D014852:Wales