title: Suppression of powerline interference in the ECG signal using a bilinearly transformed null phase notch filter.
authors.affiliation: National Institute of Health, Bethesda, MD 20892.
authors.forename: E W
authors.initials: EW
authors.lastname: Pottala
authors.forename: M R
authors.initials: MR
authors.lastname: Horton
authors.forename: J J
authors.initials: JJ
authors.lastname: Bailey
mesh_terms: D004562:Electrocardiography / Q000379:methods*; D005374:Filtration / Q000379:methods; D006801:Humans