TY - GEN AU - Kolb,W A TI - Radiological significance of 227Ac and 231Pa SN - 0017-9078 PY - 1992///0102 KW - Actinium KW - Administration, Inhalation KW - Protactinium KW - Radiation Dosage KW - Uranium KW - administration & dosage N1 - Publication Type: Comment; Letter ER -