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.
Maximal TA concentrations PDGF-BB normalized to secretory component (sc) comparing A) infants who were oxygen dependent at 36 weeks PCA vs those who were not and B) infants who died or were oxygen dependent at 36 weeks PCA vs survivors weaned from oxygen at 36 weeks PCA. Data represent mean ± SEM. *p < 0.05
