Figure 2. Kaplan-Meier Curves of the cumulative incidence of gastroduodenal ulcer (GDU) in women with O and non-O blood types in the Japan Nurses’ Health Study (JNHS) A: women born pre-1956; B: women born post-1955.
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.