TY - GEN AU - Johnson,M D TI - Epidural sufentanil for TKR-respiratory depression? SN - 0146-521X PY - 1991///0214 KW - Adult KW - Aged KW - Analgesia, Epidural KW - adverse effects KW - Analgesics, Opioid KW - Fentanyl KW - Humans KW - Knee Prosthesis KW - Middle Aged KW - Pain, Postoperative KW - drug therapy KW - Pilot Projects KW - Respiratory Insufficiency KW - chemically induced KW - Sufentanil N1 - Publication Type: Letter ER -