Fig. 1From: A descriptive study of human papilloma virus in upper aero-digestive squamous cell carcinoma at Uganda cancer institute assessed by P16 immunohistochemistryStudy flow. All patients with histologically proven squamous cell carcinoma from the oral cavity, oropharynx, larynx and hypo-pharynx at UCI were consecutively sampled, then recruited and ultimately 59 were evaluated for P16Back to article page