TY - GEN AU - Werner,B L AU - Das,I J AU - Khan,F M AU - Meigooni,A S TI - Dose perturbations at interfaces in photon beams SN - 0094-2405 PY - 1987///1007 KW - Humans KW - Mathematics KW - Models, Theoretical KW - Radiation KW - Radiotherapy KW - methods KW - Radiotherapy Dosage N1 - Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1118/1.596023 ER -