disease arises from feature disease has basis in feature Reduced factor VIII activity Reduced factor XII activity factor VII and Factor VIII, combined deficiency of https://www.malacards.org/card/factor_vii_and_factor_viii_combined_deficiency_of UMLS:C1851377 MONDO:0007595 OMIM:134430 MESH:C565025 GARD:0024565 factor VII and Factor VIII, combined deficiency of MEDGEN:341995 inherited blood coagulation disorder