Authors: J M teWaternaude; R I Ehrlich; G J Churchyard; L Pemba; K Dekker; M Vermeis; N W White; M L Thompson; J E Myers Journal: Occup Environ Med Date: 2006-03 Impact factor: 4.402
Authors: G J Churchyard; R Ehrlich; J M teWaterNaude; L Pemba; K Dekker; M Vermeijs; N White; J Myers Journal: Occup Environ Med Date: 2004-10 Impact factor: 4.402