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.
Effects of L-proline on the growth of pTr2 cells at 24 or 48 h. Data are expressed as the percentage of control group. Values are means ± SEMs, n = 6. Means at a time point without a common letter differ, p < 0.05. pTr2, porcine trophectoderm cell line 2.
