TY - BOOK AU - Chao,K.S.Clifford AU - Apisarnthanarax,Smith AU - Ozyigit,Gokhan TI - Practical essentials of intensity modulated radiation therapy SN - 0781752795 PY - 2005/// CY - Philadelphia PB - Lippincott Williams and Wilkins KW - Head and Neck Neoplasms KW - radiotherapy ER -