title: [Improved method of studying the free behavior of animals in an open field].
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D004581:Electronics / Q000295:instrumentation; D006801:Humans; D012107:Research Design
vernacular_title: Sovershenstvovanie metoda izucheniia svobodnogo povedeniia zhivotnykh v otkrytom pole.