Authors: Rajen N Naidoo; Thomas G Robins; A Solomon; Neil White; Alfred Franzblau Journal: Int Arch Occup Environ Health Date: 2004-09-09 Impact factor: 3.015
Authors: A J Theron; G A Richards; M S Myer; V L van Antwerpen; G K Sluis-Cremer; L Wolmarans; C A van der Merwe; R Anderson Journal: Occup Environ Med Date: 1994-08 Impact factor: 4.402