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APA Citation
Kelleher, M. M., Hourihane, J. O., DunnGalvin, A., Cullinane, C., Fitzsimons, J., & Sheikh, A. (2012). a 24-h helpline for access to expert management advice for food allergy-related anaphylaxis in children: protocol for a pragmatic randomised controlled trial. BMJ open, 2(4), . http://access.bl.uk/ark:/81055/vdc_100137792572.0x000007