Ten years of chronic cluster--attacks still cluster. Jürgens, Tim Koch, Horst J May, Arne 2010 - Forschungsinformationssystem des UKE
[Chronic cluster headache : how much does treatment cost?]. Jürgens, Tim May, Arne 2010 - Forschungsinformationssystem des UKE
[Diagnosis and therapy of chronic headaches]. May, Arne Jürgens, Tim 2010 - Forschungsinformationssystem des UKE