Authors: F L Black; W J Hierholzer; F Pinheiro; A S Evans; J P Woodall; E M Opton; J E Emmons; B S West; G Edsall; W G Downs; G D Wallace Journal: Am J Epidemiol Date: 1974-09 Impact factor: 4.897
Authors: Andreas C W Jenke; Susanne Klein; Armin Baiker; Stefan Wirth; Michaela Sander; Christina Noelting; Oliver Boecher; Maria G Vizoso-Pinto Journal: Pediatr Infect Dis J Date: 2012-11 Impact factor: 2.129