Authors: A W Majeed; G Troy; J P Nicholl; A Smythe; M W Reed; C J Stoddard; J Peacock; A G Johnson Journal: Lancet Date: 1996-04-13 Impact factor: 79.321
Authors: A J McMahon; I T Russell; J N Baxter; S Ross; J R Anderson; C G Morran; G Sunderland; D Galloway; G Ramsay; P J O'Dwyer Journal: Lancet Date: 1994-01-15 Impact factor: 79.321