Cyr, Dawna L; Johnson, Steven B (September 2006). "Basic First Aid". The University of Maine. Archived from the original on 2007-06-10. Retrieved 2007-06-21.
Simpson, E; Lin, Y; Stanworth, S; Birchall, J; Doree, C; Hyde, C (Mar 14, 2012). "Recombinant factor VIIa for the prevention and treatment of bleeding in patients without haemophilia". Cochrane Database of Systematic Reviews. 3 (3): CD005011. doi:10.1002/14651858.CD005011.pub4. hdl:10871/13808. PMID22419303.
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Simpson, E; Lin, Y; Stanworth, S; Birchall, J; Doree, C; Hyde, C (Mar 14, 2012). "Recombinant factor VIIa for the prevention and treatment of bleeding in patients without haemophilia". Cochrane Database of Systematic Reviews. 3 (3): CD005011. doi:10.1002/14651858.CD005011.pub4. hdl:10871/13808. PMID22419303.
Simpson, E; Lin, Y; Stanworth, S; Birchall, J; Doree, C; Hyde, C (Mar 14, 2012). "Recombinant factor VIIa for the prevention and treatment of bleeding in patients without haemophilia". Cochrane Database of Systematic Reviews. 3 (3): CD005011. doi:10.1002/14651858.CD005011.pub4. hdl:10871/13808. PMID22419303.
Cyr, Dawna L; Johnson, Steven B (September 2006). "Basic First Aid". The University of Maine. Archived from the original on 2007-06-10. Retrieved 2007-06-21.