Programmed cell death ligand 1 by clone 22C3:Find:Pt:Tiss:Doc:Immune stain
programmed cell death ligand 1 by clone 22c3:find:pt:tiss:doc:immune stain
PD-L1 by 22C3 Tiss ImStn Doc
pd-l1 by 22c3 tiss imstn doc