TY - RPRT TI - Umbilical vessel catheterization. A teaching simulator. AU - R L Schreiner AU - E L Gresham AU - M B Escobedo AU - C G Gosling PY - 1978 DO - 10.1177/000992287801700612 UR - https://pubmed.ncbi.nlm.nih.gov/648073/ ID - 648073 ER -