TY - RPRT TI - [Rectal shielding for a Selectron-ring applicator system (HDR- and LDR-afterloading)]. AU - H Hetzel AU - H Kamleitner AU - M McCoy AU - H Frommhold PY - 1987 UR - https://pubmed.ncbi.nlm.nih.gov/3424077/ ID - 3424077 ER -