Thinh Pham, Yihua Liu, Michael Sharpnack, Jenifer Lum, Daniel O. Koralek, Meghna Das Thakur. "Concordance between PD-L1 assays 28-8 and SP263 and their respective scoring algorithms in procured upper gastrointestinal adenocarcinoma samples.." Journal of Clinical Oncology, 2025. doi:10.1200/jco.2025.43.4_suppl.479