TY - RPRT TI - Simulating blocks in treatment planning calculations. AU - D P Fontenla AU - G J Kutcher AU - T J LoSasso PY - 1989 DO - 10.1016/0360-3016(89)90507-5 UR - https://pubmed.ncbi.nlm.nih.gov/2921177/ ID - 2921177 ER -