Small molecule PD-L1 inhibitor modulates expression of PD-L1 on the cell surface – a potential mechanism of blocking interaction with PD-1. (October 2022) - Weitsman, G.; Nuo En Chan, J.; Nedbal, J.; Barber, P.R.; Volgina, A.; Stevens, C.; Poland, S.; Ameer-Beg, S.; Suhling, K.; Rios-Doria, J.; Ng, T.