TY - RPRT TI - Absorbed dose measurements using parallel plate polystyrene ionization chambers in polystyrene phantoms. AU - J G Holt AU - A Buffa AU - D J Perry AU - I C Ma AU - J C McDonald DO - 10.1016/0360-3016(79)90955-6 UR - https://pubmed.ncbi.nlm.nih.gov/544582/ ID - 544582 ER -