TY - RPRT TI - X-ray therapy planning in three dimensions by computer. AU - B W Worthley AU - R L Nicholls PY - 1971 DO - 10.1111/j.1440-1673.1971.tb01305.x UR - https://pubmed.ncbi.nlm.nih.gov/5149415/ ID - 5149415 ER -