Hypnic headache syndrome: clinical aspects of eight patients in Brazil.
Pinto
C A R
CA
Fragoso
Y D
YD
Souza Carvalho
D
D
Gabbai
A A
AA
D000368:Aged; D001938:Brazil; D005260:Female; D020773:Headache Disorders / Q000175:diagnosis* / Q000188:drug therapy / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged