TY - GEN AU - Toyokawa,Y AU - Narutomi,Y AU - Hayashi,H AU - Kakurai,M TI - [The wedge filter with a changeable device for radiation field therapy of the head and neck] SN - 0021-1699 PY - 1965///1114 KW - Facial Neoplasms KW - radiotherapy KW - Filtration KW - Head and Neck Neoplasms KW - Humans KW - Radiotherapy KW - instrumentation N1 - Publication Type: Journal Article ER -