The lesson of Sam the shirt-maker.
Harwin
Steven F
SF
D000368:Aged; D019644:Arthroplasty, Replacement, Hip / Q000191:economics; D005251:Fees, Medical; D006801:Humans; D006278:Medicare / Q000191:economics*; D009985:Orthopedics / Q000191:economics*; D014481:United States