Contact factor deficiencies.
D001778:Blood Coagulation Disorders / Q000097:blood*; D005175:Factor XII Deficiency / Q000097:blood; D006801:Humans; D007704:Kininogens / Q000097:blood; D010314:Partial Thromboplastin Time; D011288:Prekallikrein / Q000097:blood
D007704:Kininogens; D011288:Prekallikrein