title: Combined factor IX and XII deficiencies in both male and female members of a single family.
mesh_terms: D005175:Factor XII Deficiency / Q000150:complications / Q000235:genetics*; D005190:Family; D005260:Female; D002836:Hemophilia B / Q000150:complications / Q000235:genetics*; D006801:Humans; D008297:Male; D010375:Pedigree