but http://www.aafp.org/afp/2006/0401/p1211.html http://www.aafp.org/afp/2006/0401/p1211.html http://www.aafp.org/afp/2006/0401/p1211.html but http://www.aafp.org/afp/2006/0401/p1211.html http://www.aafp.org/afp/2006/0401/p1211.html