11.   Increasing research shows connections between periodontal disease and higher incidences of heart disease, diabetes, low birth-weight pregnancies and other disorders.

12.   Some studies have shown little connection between salt consumption and blood pressure.

13.   Such laws are controversial, because the workers involved are not required to show any connection between their ailments and their jobs, and because they increase government costs.

14.   The evidence presented in court Wednesday seemed aimed at showing connections between Nosair and the men who carried out the trade center bombing.

15.   The government and the airlines, however, have never shown a connection between the ID card and the prevention of explosives or weapons in luggage.

16.   The Navigate Layout screen shows all connections, chiefly to let the user hunt for any missing or broken links.

17.   An initial study of health records showed no connection between depleted uranium munitions and cancer among soldiers who served in the Balkans, NATO said Tuesday.

18.   Authorities thought the men might be tied to other unsolved murders, but later found that DNA samples from the men showed no connection.

19.   But authorities later said DNA samples from the three men showed no connection to the unsolved killings.

20.   But a large review of cholesterol studies, conducted by British researchers, did not show a connection between mood and cholesterol.