title: Classification and genetics of proximal spinal muscular atrophies.
authors.affiliation: Institut für Humangenetik der Universität Bonn, FRG.
authors.forename: K
authors.initials: K
authors.lastname: Zerres
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005192:Family Health; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009134:Muscular Atrophy, Spinal / Q000145:classification* / Q000235:genetics / Q000503:physiopathology; D012737:Sex Factors