TY - RPRT TI - A sonographically guided technique for central venous access. AU - U K Teichgräber AU - T Benter AU - M Gebel AU - M P Manns PY - 1997 DO - 10.2214/ajr.169.3.9275887 UR - https://pubmed.ncbi.nlm.nih.gov/9275887/ ID - 9275887 ER -