- A first missense mutation in the delta sarcoglycan gene associated with a severe phenotype and frequency of limb-girdle muscular dystrophy type 2F (LGMD2F) in Brazilian sarcoglycanopathies. Moreira, E.S., Vainzof, M., Marie, S.K., Nigro, V., Zatz, M., Passos-Bueno, M.R. J. Med. Genet. (1998)