RT Book, Section A1 Ropper, Allan H. A1 Samuels, Martin A. A1 Klein, Joshua P. A1 Prasad, Sashank SR Print(0) ID 1199441565 T1 Headache and Other Craniofacial Pains T2 Adams and Victor's Principles of Neurology, 12e YR 2023 FD 2023 PB McGraw-Hill Education PP New York, NY SN 9781264264520 LK neurology.mhmedical.com/content.aspx?aid=1199441565 RD 2024/10/13 AB Of all the painful states that afflict humans, headache is undoubtedly the most frequent and rivals backache as one of the most common reasons for seeking medical help. In fact, there are so many cases of headache that headache clinics have been established in many medical centers. In addition to its frequency in general practice, many headaches are caused by medical rather than neurologic diseases and the subject is the legitimate concern of the general physician.