TY - GEN AU - Davenport,H T AU - Wright,B M TI - Relief of postoperative pain SN - 0007-1447 PY - 1979///1024 KW - Humans KW - Injections, Intramuscular KW - Meperidine KW - administration & dosage KW - Pain, Postoperative KW - drug therapy KW - Time Factors N1 - Publication Type: Letter UR - https://doi.org/10.1136/bmj.1.6177.1561-a ER -