Table 2

Appendix - SEARCH STRATEGY - MEDLINE (OVID)

Search 1


01

China.mp or China/


02

Emergency Medical Services or emergency medical services.mp


03

Emergencies or emergencies.mp


04

2 or 3


05

1 and 4


06

limit 5 to humans


07

limit 6 to Chinese


Search 2


01

China.mp or China/


02

Ambulances or Air Ambulances or ambulance.mp or pre-hospital care.mp


03

1 and 2


04

limit 3 to humans


05

limit 4 to Chinese


Search 3


01

China.mp or China/


02

Emergency Service, Hospital or emergency department.mp.


03

1 and 2


04

limit 3 to humans


05

limit 4 to Chinese


Search 4


01

China.mp or China/


02

injury.mp. or "Wounds and Injuries"/


03

accident.mp. or Accidents/


04

2 or 3


05

1 and 4


06

limit 5 to humans


07

limit 6 to Chinese


Fitzharris et al. BMC Emergency Medicine 2011 11:18   doi:10.1186/1471-227X-11-18

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