title: PREMATURE SYSTOLES ORIGINATING IN THE SINO-AURICULAR NODE.
authors.affiliation: Cardiovascular Department, Michael Reese Hospital, Chicago, Illinois, U.S.A.
authors.forename: R
authors.initials: R
authors.lastname: Langendorf
authors.forename: S S
authors.initials: SS
authors.lastname: Mintz
mesh_terms: D001145:Arrhythmias, Cardiac; D005117:Cardiac Complexes, Premature; D006801:Humans; D013599:Systole