Mutations in the RET proto-oncogene are associated with MEN 2A and FMTC - Donis-Keller, H; Dou, S; Chi, D; Carlson, K M; Toshima, K; Lairmore, T C; Howe, J R; Moley, J F; Goodfellow, P; Wells, S A, Jr (Hum Mol Genet, 1993)