An attempt on a cause and prevention of oesophageal cancer in the Transkei Bantu.
D001741:Black or African American; D044383:Black People; D001895:Boron; D003300:Copper; D003677:Deficiency Diseases; D004938:Esophageal Neoplasms / Q000209:etiology* / Q000517:prevention & control; D005260:Female; D005308:Fertilizers; D006801:Humans; D007501:Iron; D008297:Male; D008982:Molybdenum; D009602:Nitrosamines / Q000032:analysis*; D010935:Plant Diseases; D010945:Plants, Edible / Q000032:analysis*; D013019:South Africa; D014131:Trace Elements / Q000032:analysis*; D015032:Zinc
D005308:Fertilizers; D009602:Nitrosamines; D014131:Trace Elements; D003300:Copper; D008982:Molybdenum; D007501:Iron; D015032:Zinc; D001895:Boron