Fig. 1From: Prognostic significance of cell cycle-associated proteins p16, pRB, cyclin D1 and p53 in resected oropharyngeal carcinomaExpression of cell cycle-associated proteins in oropharyngeal squamous cell carcinoma. Histological findings (a, b) and expression of the p16INK4a (c, d), pRB (e, f), cyclin D1 (g, h) and p53 (i, j) proteins in representative HR-HPV positive (b, d, f, h, j) and HR-HPV negative OPSCC (a, c, e, g, i). Original magnification, 400Ă—Back to article page