TY - RPRT TI - Double target method (double marker-guided extrathoracic introducer insertion). AU - Tohru Kawakami AU - Hiroyuki Ichinose PY - 2004 DO - 10.1111/j.1540-8159.2004.00536.x UR - https://pubmed.ncbi.nlm.nih.gov/15189542/ ID - 15189542 ER -