51.   The study proved that investors are more likely to sell their winners and hang on to their losers.

52.   The study proved that the father of her youngest son Eston was a Jefferson, and could have been Thomas.

53.   The study did not prove cause and effect, they said.

54.   The study did not prove that injections can be eliminated altogether.

55.   Wallace said no scientific studies proved that violent toys produced violent children.

56.   Aetna said it will continue to pay for bone marrow transplants for illnesses such as leukemia, in which studies have proven its effectiveness.

57.   Abu Oleim said that if the study proved fruitful, the Jordanian government may be willing to adjust revenue sharing to make the field more attractive to investors.

58.   Animal studies have proven that these compounds inhibit the progress of many tumours and cancers.

59.   Baxter, however, said no studies to date prove that self-examination saves lives.

60.   Bild said diesel rates would be raised because new studies prove the fuel is more hazardous to the environment than leaded and unleaded gasoline.