Authors: C A Smith; P S Ganschow; B M Reilly; A T Evans; R A McNutt; A Osei; M Saquib; S Surabhi; S Yadav Journal: J Gen Intern Med Date: 2000-10 Impact factor: 5.128
Authors: Nathalie I R Hugenholtz; Frederieke G Schaafsma; Karen Nieuwenhuijsen; Frank J H van Dijk Journal: Int Arch Occup Environ Health Date: 2008-04-02 Impact factor: 3.015