human 200 Humans 176 Article 145 female 141 male 141 adult 117 controlled study 93 Female 90 Male 88 Head and Neck Neoplasms 82 head and neck tumor 80 middle aged 72 major clinical study 71 priority journal 70 aged 64 Middle Aged 62 Adult 49 clinical article 47 Squamous Cell Carcinoma of Head and Neck 44 Aged 42 procedures 42 head and neck cancer 40 Head and neck cancer 39 pathology 38 cancer staging 34 retrospective study 33 follow up 30 genetics 29 Medicine and Nursing 28 Technology: general issues 27