http://emedicine.medscape.com/article/135065-overview http://emedicine.medscape.com/article/135065-overview http://emedicine.medscape.com/article/135065-overview Anaphylaxis http://emedicine.medscape.com/article/135065-overview Anafylaxi på eMedicine Anaphylaxis – Medscape http://emedicine.medscape.com/article/135065-overview Anaphylaxis Anaphylaxis frequency say 1%