71.   Studies have linked its use to cancer in laboratory animals, though no such link has been found in humans to date.

72.   Subsequent studies have not found direct links between electromagnetism and health risks.

73.   That afternoon, Dr. Layton sent an epidemiologist to the hospital to review the charts of the two patients and to try to find a link between them.

74.   The authors found no link between use of the hormones and breast cancer.

75.   The company also reviewed studies by other researchers and said it found no link.

76.   The Institute of Medicine panel has already tackled that question, finding no link between the vaccine and the disorder.

77.   The links are usually found at the bottom of each Web page.

78.   The researchers offer several possible explanations for why the mind-body link was not found in the boys in the study.

79.   The San Francisco State University professor found links between her village in Tuscany and her hometown of Fitzgerald in South Georgia.

80.   The scientists found no link between the sites and known volcanic regions of Mars.