RT Book, Section A1 Warfield, Carol A. A1 Aner, Moris M. A2 Warfield, Carol A. A2 Bajwa, Zahid H. SR Print(0) ID 3421736 T1 Chapter 73. Neurolytic Blocks T2 Principles & Practice of Pain Medicine, 2e YR 2004 FD 2004 PB The McGraw-Hill Companies PP New York, NY SN 9780071443494 LK accessanesthesiology.mhmedical.com/content.aspx?aid=3421736 RD 2024/04/19 AB Intractable cancer pain, as well as chronic intractable benign pain, has been troublesome to the pain practitioner because of the short life span of conventional nerve blocks. Neurolytic agents have been in use since the turn of the 20th century for this particular group of pain patients for prolonged pain relief.