TY - GEN AU - Asplin,Brent R AU - Yealy,Donald M TI - Key requirements for a new era of emergency department operations research SN - 1097-6760 PY - 2011///0225 KW - Clinical Protocols KW - standards KW - Emergency Service, Hospital KW - Health Services Research KW - Humans KW - Propensity Score KW - Triage N1 - Publication Type: Comment; Editorial UR - https://doi.org/10.1016/j.annemergmed.2010.07.026 ER -