Authors: J A Wilber; D Millward; A Baldwin; B Capron; D Silverman; L M James; T Wolbert; N J McCombs Journal: Circ Res Date: 1972-09 Impact factor: 17.367
Authors: J Genest; O Kuchel; G Leduc; P Granger; R Boucher; J M Rojo-Ortega; W Nowaczynski Journal: Can Med Assoc J Date: 1974-07-20 Impact factor: 8.262