Silicosis among grindstone cutters in the north of Nigeria.
Warrell, D A, Harrison, B D, Fawcett, I W, Mohammed, Y, Mohammed, W S, Pope, H M, ...
Many of the grindstones used in Nigerian homes are quarried from sandstone in a small group of villages near Kano in the extreme north of the country. Of an unselected group of 126 stonecutters from...