51.   The Regeneron researchers suspect other factors may be involved and are continuing to study the development of the junction from the muscle side.

52.   The SmithKline Beecham researchers suspected that beta-secretase belonged to a family of proteins known as aspartic proteases.

53.   The researchers already suspected that a cardiac arrest was triggered by a defect in the way the heart muscle recovers its normal electrical charge after each contraction.

54.   The two researchers suspect that cabernet sauvignon is the product of a spontaneous crossing between vines in adjacent vineyards.

55.   Though researchers suspect a genetic tendency, no one really knows why African-Americans are four to five times more likely than whites to develop glaucoma.

56.   Tinnitus is well known as a disease that affects the ears, but researchers now suspect that the eyes may also play a role.

57.   As alarming as that may be, some researchers suspect those figures are too low because secrecy and denial are part of the syndrome.

58.   Blue whales in the Mediterranean are dying of a mysterious disease that some researchers suspect may actually be a strain of the measles.

59.   No one knows how it is carried although researchers suspect an animal, maybe a monkey.

60.   No one knows how the virus is carried although researchers suspect an animal, maybe a monkey.