About
What is GT?
Our Mission & History
Our Board Members
Research
Articles & Papers
Dr. David Wilcox
Resources
Glossary
FAQs
Medication & Remedies
Nutrition & Lifestyle
Classroom Plan
Scholarships
New Doctor Information
Women’s Health
Podcasts
GRF Conference Photos
Faces of GT
Share Your Story
News
Contact
Store
Search
Give
Search for:
Factor IX
(Factor nine) The clotting factor protein that is decreased in people with hemophilia B.
