Human suppressor T cell clones lack CD28.
Li SG, Ottenhoff TH, Van den Elsen P, Koning F, Zhang L, Mak T, De Vries RR.
Li SG, et al. Among authors: zhang l.
Eur J Immunol. 1990 Jun;20(6):1281-8. doi: 10.1002/eji.1830200613.
Eur J Immunol. 1990.
PMID: 2164478