Fig. 4: Reproducibility across rows and experiments stained and collected in the same week.
From: Digital quantitative assessment of PD-L1 using digital spatial profiling

Bar graph show (a) signal to noise ratio and (b) PD-L1 counts for three rows from same experiment. Regression on Log2 scale for PD-L1 counts (c) between two rows from same experiment and (d) average PD-L1 counts of three rows between two experiments.