@article{48e65c01b12d49d4914f23abe265d2a9,
title = "Placebo response in the prophylaxis of migraine: a meta-analysis",
author = "A Macedo and JE Ba{\~n}os and M. Farr{\'e}",
year = "2008",
month = jan,
day = "1",
language = "English",
volume = "12",
pages = "68--75",
}