The Ontario Prehospital Advanced Life Support (OPALS) study Part II: Rationale and methodology for trauma and respiratory distress patients. OPALS Study Group.
Ann Emerg Med. 1999 Aug;34(2):256-62. doi: 10.1016/s0196-0644(99)70241-6.
Ann Emerg Med. 1999.
PMID: 10424933
The OPALS Study, using a rigorous controlled methodology and a large sample size, should clearly indicate the benefit in trauma and respiratory distress patient survival and morbidity that results from the widespread introduction of prehospital ALS programs to communities of many …
The OPALS Study, using a rigorous controlled methodology and a large sample size, should clearly indicate the benefit in trauma and respirat …