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.
Kaplan-Meier graphs illustrating (a) the overall probability of a first-in-human publication over time, and (b) the Log Rank (Mantel-Cox) probability of a first-in-human publication over time stratified according whether there was clinical involvement (green line) or not (blue line).
