Authors: Rajen N Naidoo; Thomas G Robins; Noah Seixas; Umesh G Lalloo; Margaret Becklake Journal: Int Arch Occup Environ Health Date: 2005-03-23 Impact factor: 3.015
Authors: T W Steen; K M Gyi; N W White; T Gabosianelwe; S Ludick; G N Mazonde; N Mabongo; M Ncube; N Monare; R Ehrlich; G Schierhout Journal: Occup Environ Med Date: 1997-01 Impact factor: 4.402