259th ENMC International Workshop. Spinal muscular atrophies: recent progress and revised diagnostic criteria 17 - 19 April 1998,Soestduinen, The Nethedands[J]. Neuromusci Disord, 1999,9: 272- 278.
3Renault F, Chattier JP, Haipey JP. Contribution of the electromyogram in the diagnosis of infantile spinal muscular atrophy in the neonatal period[J ]. Arch Pediatr, 1996,3 (4): 319 - 323.
4Borkowska J, Rudnik - Schonebom S, Hausmanowa - Petrusewicz I, et al. Early infantile form of spinal muscular atrophy (Werdnig Hoffmann disease) with prolonged survival[J]. Folia Neturopathol,2002,40( 1 ): 19 - 26.
5Lefebvre S, Burglen L, Reboullet S, et al. Identification and characterization of a spinal muscular atrophy-detemrining gene [ J ]. Cell,1995,80(1): 155 - 165.