Authors: Ulrich Busch; Efrain Garcia; Robert J. Hall; Virendra S. Mathur; Carlos M. De Castro; Jorge Guttin; Wayne E. Dear; Denton A. Cooley Journal: Cardiovasc Dis Date: 1977
Authors: I N Findlay; R S Taylor; H J Dargie; S Grant; A R Pettigrew; J T Wilson; T Aitchison; J G Cleland; A T Elliott; B M Fisher Journal: Br Med J (Clin Res Ed) Date: 1987-08-29