TY - GEN AU - Geiger,S AU - Siegert,G AU - Albrecht,D M TI - [The PTT--limit for regional anesthesia?] SN - 0003-2417 PY - 1997///1204 KW - Anesthesia, Conduction KW - Anticoagulants KW - adverse effects KW - Heparin KW - Humans KW - Partial Thromboplastin Time N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/s001010050472 ER -