Evaluation of fetal nuchal translucency in 98 pregnancies at risk for severe spinal muscular atrophy: Possible relevance of the SMN2 copy number

Juan Parra, Laura Alias, Eva Also-Rallo, Rebeca Martínez-Hernández, Raquel Senosiain, Carmen Medina, Obdulia Alejos, Noelia Rams, María Amenedo, Filomena Ormo, María Jesús Barceló, Joaquim Calaf, Montserrat Baiget, Sara Bernal, Eduardo F. Tizzano