81.   The study focused on this form of the condition.

82.   The study focused on transmission of the disease from infected people, as opposed to the susceptibility of people at risk of getting the virus.

83.   While the study focused on women, increased levels of folic acid could help men too, researchers said.

84.   Chuthit said his study focused only on suicide attempts and not on deaths by suicide.

85.   The study also focused on the scope of the local mafia known as the Camorra in the southern seaside city.

86.   The authors of the study noted that future studies may focus on whether vitamin E prolongs lifespan.

87.   The HRW study focused on Israeli raids on the West Bank of Beit Rima, Salfit and Artas, and the town of Tulkarem.