TY - RPRT TI - A rapid phantom technique for checking blocked vertex fields. AU - E D Yorke AU - L Der AU - K Wechsler-Jentzsch PY - 1995 DO - 10.1016/0958-3947(95)00020-w UR - https://pubmed.ncbi.nlm.nih.gov/7576089/ ID - 7576089 ER -