title: Electron microscopical study of myocardial biopsy material in congenital heart block.
authors.affiliation: Wellcome Medical Research Institute, Department of Medicine, University of Otago Medical School, Dunedin, New Zealand.
authors.forename: F O
authors.initials: FO
authors.lastname: Simpson
authors.forename: R
authors.initials: R
authors.lastname: Ludatscher