Online services
News
  1. Home
  2. methods of gold extraction in south afric

methods of gold extraction in south afric

Methods: We developed two models of TB in South Africa, a static risk model and an individual-based model that accounts for longer-term trends. Both models account for four populations - mine workers, peri-mining residents, labor-sending residents, and other residents of South Africa - including the size and prevalence of latent TB infection ...

Get Price List Chat Online