Treatment of chronic tension-type headache with botulinum toxin: a double-blind, placebo-controlled clinical trial.
Boudreau
G
G
D019274:Botulinum Toxins, Type A / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D018781:Tension-Type Headache / Q000188:drug therapy*
D019274:Botulinum Toxins, Type A