Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 1 of 1 for Hereditary factor IX deficiency disease
  1. Hemophilia (National Library of Medicine)  
    ... lack or decrease of clotting factor VIII (8) Hemophilia B (Christmas disease), which is caused by a lack ...