Authors: A Schillaci; D D Tirindelli; M Ferri; L Teodori; F Mauro; V Nicolanti; S Stipa Journal: Int J Colorectal Dis Date: 1990-12 Impact factor: 2.571
Authors: S C Barranco; C M Townsend; M A Quraishi; N L Burger; H C Nevill; K H Howell; W R Boerwinkle Journal: Invest New Drugs Date: 1983 Impact factor: 3.850