71.   They are known to cause cancer in laboratory animals and are considered a probable cause of cancer and other ailments in humans.

72.   This finding strongly suggests that eating fish can prevent potentially fatal disruptions of heart rhythms, an effect that has been demonstrated in laboratory animals given fish oils.

73.   Toxic chemicals are everywhere, and many of them cause cancers and other diseases in laboratory animals.

74.   Two High school teachers interviewed for this article found the CD-ROM conveyed the lessons and allowed them to buy fewer laboratory animals.

75.   Using laboratory animals, they showed the troponin I could block the formation of new blood vessels.

76.   Polychlorinated biphenyls have been linked to cancer in laboratory animals and are suspected of causing neurological problems and other ailments in humans.

77.   Polychlorinated biphenyls used in electrical equipment have been linked to cancer in laboratory animals, but the effect on humans is less clear.

78.   A scientific advisory committee voted unanimously Tuesday to send a long-stalled report to federal regulators concluding that dioxin causes cancer in laboratory animals and possibly in people.

79.   A scientific advisory committee voted unanimously Tuesday to send federal regulators a long-stalled report that concludes dioxin causes cancer in laboratory animals and possibly in people.

80.   A substance that has cured diabetes in some laboratory animals is now being tested on people.