The study involved researchers from Tenwek hospital, US National Cancer Institute, University of Missouri and Mayo Clinic.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/scientists-link-high-rate-throat-cancer-local-soils
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/standard-media-kenya
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cancer
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-resources
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scientists
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kenya
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa