Published on: 11. December 1997 • Recommendation medical radiation exposure Recommendations for the patients safety in medical ultra sonic diagnosis Recommendation by the German Commission on Radiological ProtectionAdopted at the 150th Meeting of the SSK on 11/12 December 1997DE (not accessible) [PDF, 42 KB] AbstractSorry, no English abstract available Download full textDE (not accessible) [PDF, 42 KB]