Authors: C Hutto; W P Parks; S H Lai; M T Mastrucci; C Mitchell; J Munoz; E Trapido; I M Master; G B Scott Journal: J Pediatr Date: 1991-03 Impact factor: 4.406
Authors: J N Krieger; R W Coombs; A C Collier; S O Ross; K Chaloupka; D K Cummings; V L Murphy; L Corey Journal: J Infect Dis Date: 1991-02 Impact factor: 5.226
Authors: A E Semprini; P Levi-Setti; M Bozzo; M Ravizza; A Taglioretti; P Sulpizio; E Albani; M Oneta; G Pardi Journal: Lancet Date: 1992-11-28 Impact factor: 79.321