Provider: Japan Science and Technology Agency Database: J-STAGE Content:text/plain; charset="utf-8" TY - JOUR TI - title_in_Japanese TI - AU - author_in_Japanese AU - author_in_Japanese AU - author_in_Japanese AU - author_in_Japanese JO - Japanese Journal of Radiological Technology VL - 13 IS - 1 SP - 66 EP - PY - 1957 DO - 10.6009/jjrt.KJ00001365608 ER -