Mutations in the ret proto-oncogene and the von hippel-lindau disease tumour supressor gene in sporadic and syndromic phaeochromocytomas - Eng, C; Crossey, P A; Mulligan, L M; Healey, C S; Houghton, C; Prowse, A; Chew, S L; Dahia, P L M; Oriordan, J L H; Toledo, S. P. A.; Smith, D P; Maher, E R (Journal of Medical Genetics, 1995)