title: Knoop hardness of five composites cured with single-peak and polywave LED curing lights.
authors.affiliation: Department of dental Clinical Sciences, Dalhousie University, Halifax, Nova Scotia, Canada. rbprice@dal.ca
authors.forename: Richard B T
authors.initials: RB
authors.lastname: Price
authors.forename: John
authors.initials: J
authors.lastname: Fahey
authors.forename: Christopher M
authors.initials: CM
authors.lastname: Felix