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.
Tumorospheres formation assay of Hela and Hela S3 cells. (a) Hela S3 cells were more capable of spheroidization than Hela cells; (b) quantification of tumorospheres of Hela and Hela S3 cells. Data were expressed as mean ± SEM from three independent experiments (* p < 0.05).
