TY - RPRT TI - A wedge filter for craniocervical angiography. AU - L D Cromwell AU - C W Kerber AU - W R Vermeere PY - 1977 DO - 10.2214/ajr.129.6.1125 UR - https://pubmed.ncbi.nlm.nih.gov/413377/ ID - 413377 ER -