Guideline for in vivo and in vitro procedures for thyroid diseases (version 2). - Dietlein,M.; Dressler,J.; Grunwald,F.; Joseph,K.; Leisner,B.; Moser,E.; Reiners,C.; Rendl,J.; Schicha,H.; Schneider,P.; Schober,O. (Nuklearmedizin, 2003)