TY - RPRT TI - Functional dose-volume histograms for functionally heterogeneous normal organs. AU - Y Lu AU - D R Spelbring AU - G T Chen PY - 1997 DO - 10.1088/0031-9155/42/2/007 UR - https://pubmed.ncbi.nlm.nih.gov/9044417/ ID - 9044417 ER -