TY - GEN AU - Bunodière,M TI - [Analgesia by peridural morphine. Injection through the first sacral foramen] SN - 0755-4982 PY - 1984///0406 KW - Epidural Space KW - Humans KW - Injections KW - Morphine KW - administration & dosage KW - Sacrococcygeal Region N1 - Publication Type: Letter ER -