TY - RPRT TI - The time of maximum nephrogram effect in excretory urography. AU - G S SCHWARZ AU - D M GLEASON PY - 1962 DO - 10.1016/s0022-5347(17)64893-6 UR - https://pubmed.ncbi.nlm.nih.gov/13987422/ ID - 13987422 ER -