Quality of life and disability in primary chronic daily headaches

  • D'Amico, D
  • Usai, S
  • Grazzi, L
  • Rigamonti, A
  • Solari, A
  • Leone, M
  • Bussone, G
Headache 44(3):p 301, March 2004.
Copyright © 2004 Blackwell Publishing Ltd.