Authors: B S Coulson; K Grimwood; P J Masendycz; J S Lund; N Mermelstein; R F Bishop; G L Barnes Journal: J Clin Microbiol Date: 1990-06 Impact factor: 5.948
Authors: S Kobayashi; T Morishita; T Yamashita; K Sakae; O Nishio; T Miyake; Y Ishihara; S Isomura Journal: Epidemiol Infect Date: 1991-08 Impact factor: 2.451