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.
Quantification of OEC colonies. Number of observed OEC colonies (28 days after isolation) per 2.5 × 108 seeded MNC cultured according to the standard protocol or the modified protocol. Donors were grouped as LCC and HCC. *Student's t-test was performed and considered significant if p ≤ 0.05. LCC, low colony-forming cultures; HCC, high colony-forming cultures.
