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Table 1 Search string.

From: The accuracy of medical dispatch - a systematic review

PubMed

 1

(medical[all fields] AND dispatch*[all fields]) OR (emergency[all fields] AND dispatch*[all fields]) OR “Emergency Medical Dispatch”[all fields] OR dispatch centres[all fields]

 2

triage[all fields]

 3

Criteria based[all fields]

 4

Physician based[all fields]

 5

“emergency medicine” [all fields]

 6

2 OR 3 OR 4 OR 5

 7

1 AND 6

 8

English, year> = 2012

Web of Science (Indexes = SCI-EXPANDED, SSCI, A&HCI, ESCI Timespan = All years)

 1

Topic = (Emergency OR Medical OR centres) AND Dispatch*

 2

Topic = triage

 3

Topic = criteria based

 4

Topic = physician based

 5

Topic “emergency medicine”

 6

2 OR 3 OR 4 OR 5

 7

1 AND 6

 8

7 AND English, year > = 2012, Article, Review

Embase (free text in all fields)

 1

(emergency OR medical OR centres) AND dispatch*

 2

Triage

 3

criteria based

 4

physician based

 5

“emergency medicine”

 6

2 OR 3 OR 4 OR 5

 7

1 AND 6

 8

7 AND English, year > = 2012, article, review, article in press

CRD - Centre for Reviews and Dissemination, York

 1

Dispatch*, english, year > = 2012

Cochrane

 1

(emergency OR medical OR centres) AND dispatch*

 2

Triage OR criteria OR physician OR “emergency medicine”

 3

1 AND 2

 4

3 AND english, year > = 2012, NOT conference