Expression of S100A4, ephrin-A1 and osteopontin in primary NSCLC. Representative photomicrographs of NSCLC specimens stained with anti-S100A4 (A and B), anti-ephrin-A1 (C and D) and anti-osteopontin (E and F). A, C and E demonstrate strong immunoreactivity, whereas negative staining is shown in B, D and F.
Rud et al. BMC Cancer 2012 12:333 doi:10.1186/1471-2407-12-333