• "Incidence of Agonal Respirations in Sudden Cardiac Arrest". EMD Program. King County, Washington. 30 Ogos 2003. Diarkib daripada yang asal pada 10 February 2005. Dicapai pada 25 Jun 2012.
• Bång, Angela; Herlitz, Johan; Martinell, Sven (2003). "Interaction between emergency medical dispatcher and caller in suspected out-of-hospital cardiac arrest calls with focus on agonal breathing. A review of 100 tape recordings of true cardiac arrest cases". Resuscitation. 56 (1): 25–34. doi:10.1016/S0300-9572(02)00278-2. PMID 12505735.
• Hazinski, Mary Fran, penyunting (2011). BLS for healthcare providers (ed. New). Dallas, Tex.: American Heart Association. ISBN 978-1616690397.

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