http://www.aafp.org/afp/2003/0915/p1135.html http://www.aafp.org/afp/2003/0915/p1135.html http://www.aafp.org/afp/2003/0915/p1135.html pruritus http://www.aafp.org/afp/2003/0915/p1135.html http://www.aafp.org/afp/2003/0915/p1135.html http://www.aafp.org/afp/2003/0915/p1135.html