title: Spina bifida and maternal Rh blood type.
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D008591:Meningomyelocele / Q000235:genetics*; D012189:Retrospective Studies; D012204:Rh-Hr Blood-Group System / Q000235:genetics*
chemical_list: D012204:Rh-Hr Blood-Group System