1.   Although it occurs among mammals and birds, few other fish possess binocular vision.

2.   It was found that learning disabilities occurred among work-inhibited stu-dents in virtually the same proportion as in the general population.

3.   Not only do black students have problems with white students and white institutions, but splits occur among the black students themselves.

4.   Skull deformation is widely known later in the Iron Age where it occurred among the Alans and Huns.

5.   In sub-Saharan Africa and Latin America, particularly the Caribbean, most cases occur among heterosexuals, and spreading from mother-to-child is common.

6.   Dr Gavin Strang, for Labour, said the Government had no idea of the poverty and misery which was occurring among hill farmers.

7.   It is not clear at the moment if bone loss occurs among people with bulimia.

8.   Analysts note that shifts occurred among large-and small-company stocks last year.

9.   And these glowing, animated performances capture the special reciprocity that occurred among these players.