AU - Spierings E FAU - Spierings, Egilius L.H. AU - Warfield C FAU - Warfield, Carol A. AU - Bajwa Z FAU - Bajwa, Zahid H. TI - Chapter 22. Chronic Daily Headache PT - BOOK SECTION DP - 2004 BTI - Principles & Practice of Pain Medicine, 2e DA - 2004 Y2 - 2024/10/08 UR - accessanesthesiology.mhmedical.com/content.aspx?aid=3411866