MeSH terms

• Administration, Oral
• Ear Neoplasms / drug therapy*
• Ear Neoplasms / mortality
• Follow-Up Studies
• Head and Neck Neoplasms / drug therapy*
• Head and Neck Neoplasms / mortality
• Humans
• Hydroxyurea / administration & dosage
• Hydroxyurea / adverse effects
• Hydroxyurea / therapeutic use*
• Laryngeal Neoplasms / drug therapy*
• Laryngeal Neoplasms / mortality
• Mouth Floor
• Mouth Neoplasms / drug therapy*
• Mouth Neoplasms / mortality
• Nasopharyngeal Neoplasms / drug therapy*
• Nasopharyngeal Neoplasms / mortality
• Nose Neoplasms / drug therapy*
• Nose Neoplasms / mortality
• Palatal Neoplasms / drug therapy
• Paranasal Sinus Neoplasms / drug therapy*
• Paranasal Sinus Neoplasms / mortality
• Parotid Neoplasms / drug therapy*
• Pharyngeal Neoplasms / drug therapy*
• Pharyngeal Neoplasms / mortality
• Radiation-Sensitizing Agents
• Tongue Neoplasms / drug therapy
• Tonsillar Neoplasms / drug therapy