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.
Lysis of PEL by FasL-transfected tumour cells. AKR anti-L1210 PEL-CTLs (4 days after secondary immunization) were labelled with 51Cr (2 hr; 37°) and incubated with BW.FasL as well as with contol effectors for 6·5 hr at 37°. LF+ and LF− were used as positive and negative control targets, respectively. K:T = 5:1.
