TY - RPRT TI - Field separation in radiation therapy with opposing fields. AU - L Bianciardi AU - R Breschi AU - P Chiaradia AU - A Josi AU - P Villa PY - 1977 DO - 10.1148/122.2.493 UR - https://pubmed.ncbi.nlm.nih.gov/834901/ ID - 834901 ER -