Authors: John M Colford; Timothy J Wade; Sukhminder K Sandhu; Catherine C Wright; Sherline Lee; Susan Shaw; Kim Fox; Susan Burns; Anne Benker; M Alan Brookhart; Mark van der Laan; Deborah A Levy Journal: Am J Epidemiol Date: 2005-03-01 Impact factor: 4.897
Authors: John M Colford; Joan F Hilton; Catherine C Wright; Benjamin F Arnold; Sona Saha; Timothy J Wade; James Scott; Joseph N S Eisenberg Journal: Am J Public Health Date: 2009-09-17 Impact factor: 9.308