title: [The usefulness of modified electrophthalm EL-300 designed by Starkiewicz for the blind (author's transl)].
mesh_terms: D001766:Blindness; D006801:Humans; D011044:Poland; D012682:Sensory Aids / Q000295:instrumentation*
vernacular_title: Przydatność zmodyfikowanego elektroftalmu EL-300 wg Starkiewicza dla niewidomych.