TY - BOOK AU - Ayman Abdelmaksoud Youssef AU - Emad Gerges Saleh , AU - Ghada Gamal , Emad Gerges Saleh , AU - Salah Elden Ebrahem , TI - Types of headache and their management / PY - 2009/// CY - Cairo : PB - Ayman Abdelmaksoud Youssef , KW - Migraines KW - Tension type headache KW - Types of headache N1 - Thesis (M.Sc.) - Cairo University - National Cancer Institute - Department of Anaesthesia and Pain Relief; Issued also as CD N2 - The headache field has enjoyed a systematic classification system and diagnostic criteria . Buiding on international classification of headache disorders - 1 (ICHD - 1) the second edition of the international classification of headache disorders (ICHD -2 ) has been published . The world Health Organization (WHO) accepted the major principles of ICHD -1 after 15 years of service the ICHD- 1 has now been replaced by ICHD - 2 published in January 2004 following more than 4 years of intense preparations by a new international headache classification committee UR - http://172.23.153.220/th.pdf ER -