Headache: with special reference to the excessive use of ergotamine preparations and withdrawal effects.
D004874:Ergonovine; D004876:Ergot Alkaloids / Q000627:therapeutic use*; D004878:Ergotamine; D006261:Headache
D004876:Ergot Alkaloids; D004878:Ergotamine; D004874:Ergonovine
ERGOT PREPARATIONS; HEADACHE