Sumatriptan and daily headache.
Catarci
T
T
Lenzi
G L
GL
Cerbo
R
R
Fieschi
C
C
D006261:Headache / Q000139:chemically induced*; D006801:Humans; D018170:Sumatriptan / Q000009:adverse effects*; D013997:Time Factors
D018170:Sumatriptan