Postconcussion headache: reply to editorial.
Stovner
L J
LJ
Schrader
H
H
Mickeviciene
D
D
Surkiene
D
D
Sand
T
T
D001924:Brain Concussion / Q000150:complications*; D006261:Headache / Q000453:epidemiology* / Q000209:etiology*; D006801:Humans; D015995:Prevalence