41.   But, whatever improprieties the justices might say occurred before certification, Florida law permits a candidate to contest an election after certification by filing a lawsuit.

42.   Chiron said, though, that the deaths all occurred before using antibiotics as an early, preventive therapy became standard.

43.   Climatological records at most Northeastern cities reveal that all-time minimum temperatures occur before the middle of February.

44.   Changes in gene activity may also occur well before other more visible symptoms of harm, like tumors, which can take months to develop.

45.   Dr. Margaret L. Bauman, a neurologist at Harvard Medical School, believes that the defect may occur before the middle of the second trimester of pregnancy.

46.   Everyone in the cast appears to be expecting something ominous or even catastrophic to occur before the coming of night.

47.   Experts say the story of Baycol shows the kind of communication failure that has occurred before and may well occur again with other drugs.

48.   Even if the regents fold under political pressure, they will have forced the debate that should have occurred before this train left the station.

49.   His deposition occurred long before the latest round of revelations.

50.   How long, though, can they occur before they at the very least leave charring evidence?