Clinical study of headache relief with a niacin-containing compound.
D035843:Biomedical Research; D006261:Headache / Q000628:therapy*; D006801:Humans; D009525:Niacin / Q000628:therapy*; D009539:Nicotinic Acids
D009539:Nicotinic Acids; D009525:Niacin
HEADACHE/therapy; NICOTINIC ACID/therapy