Anxiety and depression levels in cervicogenic headache patients before and after botulinum toxin A treatment
Ömer Karadaş, Bilgin Öztürk, Serkan Zincir, Fatih Tok, Cemil Çelik, Zeki Odabaşı
( Psychiatry and Clinical Psychopharmacology 2011; 21: 232-236) DOI: 10.5455/bcp.20110904065127