[Chronic headache. Differential diagnosis and therapy].
Pfaffenrath
V
V
vpfa@aol.com
D000700:Analgesics / Q000009:adverse effects / Q000627:therapeutic use; D002908:Chronic Disease; D003937:Diagnosis, Differential; D006261:Headache / Q000188:drug therapy / Q000209:etiology*; D006801:Humans
D000700:Analgesics
Chronische Kopfschmerzen. Differenzialdiagnose und Therapie.