Mono- and bi-allelic expression of insulin-like growth factor II gene in human muscle tumors. - Pedone,P.V.; Tirabosco,R.; Cavazzana,A.O.; Ungaro,P.; Basso,G.; Luksch,R.; Carli,M.; Bruni,C.B.; Frunzio,R.; Riccio,A. (Hum Mol Genet, 1994)