31.   Research has shown a link between spina bifida and exposure to the chemical defoliant Agent Orange during service in Vietnam.

32.   Some epidemiological studies have shown a link between lower levels of cholesterol and increased death rates from cancer, suicide, homicide and accidents.

33.   So far, they say, preliminary monthly figures show a link between the new crime-fighting efforts and the crime rates.

34.   That research showed no link between breast cancer and abortion.

35.   The company denies those claims, citing several major studies showing no link between implants and disease.

36.   The film shows links between what they were doing at the time and the evolution into what you see on MTV today.

37.   The findings add weight to previous studies over several decades showing a link between schizophrenia and season or place of birth.

38.   The Food and Drug Administration has said that scientific studies have shown no link between Prozac and suicidal or violent behavior.

39.   The studies showing links between childhood trauma and adult disease were described in a recent article in the American Journal of Preventive Medicine.

40.   This study, by the National Cancer Institute, is under attack by implant makers and some scientists as biased toward showing a link between implants and disease.