Figure 1From: Erythropoietin suppresses the activation of pro-apoptotic genes in head and neck squamous cell carcinoma xenografts exposed to surgical trauma Microarray analysis of six groups: group 1–2 no surgery +/-Epo; group 3–6 +/-surgery after 24 and 48 hours respectively. There were five tumours per group but a total of four tumours were excluded.Back to article page