Authors: M Gent; J A Blakely; J D Easton; D J Ellis; V C Hachinski; J W Harbison; E Panak; R S Roberts; J Sicurella; A G Turpie Journal: Lancet Date: 1989-06-03 Impact factor: 79.321
Authors: W K Hass; J D Easton; H P Adams; W Pryse-Phillips; B A Molony; S Anderson; B Kamm Journal: N Engl J Med Date: 1989-08-24 Impact factor: 91.245