"A Meeting of Trust Board"(PDF). Northern Ireland Ambulans Service. 1 February 2018. Diarsipkan dari versi asli(PDF) tanggal 2020-05-12. Diakses tanggal 19 February 2018.
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"A Meeting of Trust Board"(PDF). Northern Ireland Ambulans Service. 1 February 2018. Diarsipkan dari versi asli(PDF) tanggal 2020-05-12. Diakses tanggal 19 February 2018.