RET proto-oncogene mutations affecting codon 790/791: a mild form of multiple endocrine neoplasia 2 A? - Gimm,O.; Niederle,B.A.; Weber,T.; Bockhorn,M.; Ukkat,J.; Brauckhoff,M.; Thang,P.N.; Frilling,A.; Klar,E.; Niederle,B.; Dralle,H. (Surgery, 2002)