title: Meta analysis suggests that folic acid supplementation does not reduce risk of stroke, but there may be some benefit when given in combination with vitamins B6 and B12 and in primary prevention.
authors.affiliation: Stroke Outcomes Research Unit, St. Michael's Hospital, University of Toronto, Toronto, Canada. saposnikg@smh.ca
authors.forename: Gustavo
authors.initials: G
authors.lastname: Saposnik