Neurosurgery in patients over age 65.
Hirsh
L F
LF
Dalton
B
B
D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D008297:Male; D009493:Neurosurgery / Q000706:statistics & numerical data*; D010414:Pennsylvania; D012189:Retrospective Studies