title: Telephone contacts in secondary prevention of coronary heart disease.
authors.forename: Peter
authors.initials: P
authors.lastname: Nischan
mesh_terms: D003327:Coronary Disease / Q000517:prevention & control*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D013689:Telephone