31.   The IBM researchers presented their findings on Sunday at a meeting of the American Chemical Society in Chicago.

32.   The researchers presented the results this week at a meeting of the Eastern Psychological Association in Providence, R.I.

33.   The researchers presented their findings at a three-day conference that ends Sunday at Stanford University.

34.   The researchers will present their findings at the January symposium.

35.   The researchers are also presenting the results at a news conference Friday at the National Institutes of Health in Bethesda, Md.

36.   The researchers presented their findings at a recent meeting of the Paleontological Association in Copenhagen.

37.   The researchers presented their results earlier this month at a meeting on the importance of perishables in prehistory that was held at the University of Florida in Gainesville.

38.   The trials were presented by researchers today at the annual American College of Clinical Oncology conference.

39.   Tuesday, an Australian researcher presented conclusive evidence here that all four patients got the virus from the same patient on the same day.

40.   Yet, most researchers present this conclusion in a defensive, even apologetic, tone.