When things do not go right.
Hudd
A P
AP
Ricketts
D M
DM
D003625:Data Collection / Q000379:methods / Q000592:standards; D006801:Humans; D007431:Intraoperative Complications / Q000453:epidemiology*; D009985:Orthopedics / Q000706:statistics & numerical data*; D011183:Postoperative Complications / Q000453:epidemiology*