title: [A pedigree with protanopia and bulbar spinal muscular atrophy].
mesh_terms: D003117:Color Vision Defects / Q000235:genetics*; D005260:Female; D008040:Genetic Linkage; D006801:Humans; D008297:Male; D009133:Muscular Atrophy / Q000235:genetics*; D014960:X Chromosome