Authors: P M Smythe; G G Brereton-Stiles; H J Grace; A Mafoyane; M Schonland; H M Coovadia; W E Loening; M A Parent; G H Vos Journal: Lancet Date: 1971-10-30 Impact factor: 79.321
Authors: G P Sandilands; R N Macsween; K G Gray; R J Holden; P Mills; F M Reid; M A Thomas; G Watkinson Journal: Gut Date: 1977-12 Impact factor: 23.059