title: [Physical and technical aspects of the use of large fields of complex shapes. Localization of the fields using a mercury device].
mesh_terms: D006801:Humans; D008628:Mercury; D011878:Radiotherapy / Q000295:instrumentation / Q000379:methods*
chemical_list: D008628:Mercury
vernacular_title: Aspects physiques et techniques de l'utilisation des grands champs de forme complexe. Localisation des champs par un dispositif a mercure