Authors: G M Morgan; C Newman; S R Palmer; J B Allen; W Shepherd; A M Rampling; R E Warren; R J Gross; S M Scotland; H R Smith Journal: Epidemiol Infect Date: 1988-08 Impact factor: 2.451
Authors: A Ojeda; V Prado; J Martinez; C Arellano; A Borczyk; W Johnson; H Lior; M M Levine Journal: J Clin Microbiol Date: 1995-08 Impact factor: 5.948