DOI:
10.1055/s-00000122
Notfall & Hausarztmedizin (Hausarztmedizin)
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References
Granella F, Farina S, Malferrari G, Manzoni GC.
Drug abuse in chronic headache: a clinico-epidemiologic study.
Cephalalgia 1987; 7: 15-19
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