Authors: E J Draviam; G Gomez; T Hashimoto; T Miyashita; F L Hill; T Uchida; P Singh; G H Greeley; J C Thompson Journal: Dig Dis Sci Date: 1991-04 Impact factor: 3.199
Authors: M Suzuki; S Sumi; A Hasegawa; T Nishizawa; K Miyoshi; S Wakisaka; T Miyake; F Misoka Journal: Proc Natl Acad Sci U S A Date: 1982-04 Impact factor: 11.205