Guidelines

	Coronary arteries http://www.cardiac.org/coronary.html
	Guideline for Echocardiography http://www.RZ.uni-duesseldorf.de/WWW/DGK/Richtlinien/echokard.htm
	Health Level-7 Standards Page http://www.mcis.duke.edu/standards/HL7/hl7.htm
	Cardiac catheterization: structur and numbers in Germany http://www.RZ.uni-duesseldorf.de/WWW/DGK/Richtlinien/12berich.htm
	Indications for Cardiac Catheterization from ACC Guidelines http://www.cardiac.org/indiacc.html
	Quality Control Committee http://www.kuleuven.ac.be/facdep/medicine/extern/bvcth/BVCTH-SBCCT-qc.html
	Stable Angina http://www.uni-mainz.de/Cardio/quality
	Unstable Angina http://text.nlm.nih.gov/