Authors: A C Hamoudi; S J Qualman; M J Marcon; M Hribar; H J McClung; R D Murray; H J Cannon Journal: Am J Public Health Date: 1988-03 Impact factor: 9.308
Authors: O Brandonisio; A Marangi; M A Panaro; R Marzio; M I Natalicchio; P Zizzadoro; U De Santis Journal: Eur J Epidemiol Date: 1996-04 Impact factor: 8.082