NOTES: Where have we been and where are we going?
Rattner
David W
DW
D003226:Congresses as Topic / Q000639:trends*; D004724:Endoscopy / Q000191:economics / Q000379:methods / Q000639:trends*; D013502:General Surgery / Q000191:economics / Q000379:methods / Q000639:trends*; D006801:Humans; D012106:Research / Q000191:economics