a guide prepared following a workshop held in heidelberg, federal republic of germany, 17 - 21 nov 1980 and organized jointly by institute of nuclear medicine, german cancer research centre, heidelberg federal republic of germany, institute of radiation hygiene, federal health office, nevherberg, federal republic of germany and who ,geneva switzerland World Health Organization creator text xx Geneva World Health Oraganization 1982 9999 monographic und ENG 72 WHO, international health, pathology, global disease Gift WHO Pathology -- Internal medicine 616 92-4-154165-2 260808 20260808125438.0