Here are two sentences:

Water management officials in Florida were worried about some of the already-swollen rivers and lakes , because a direct hit from a hurricane could cause severe flooding .

Water management officials in Florida were worried about the storm 's possible effect on some of their already-swollen rivers and lakes .

no

Here are two sentences:

A suburban Chicago man was arrested Wednesday on charges of secretly gathering information on Iraqi opposition figures as an unregistered agent of Saddam Hussein 's intelligence service .

The FBI arrested a suburban Chicago man Wednesday and charged him with secretly collecting information on individuals in the United States who opposed Saddam Hussein 's Iraqi government .

yes

Here are two sentences:

Details of the research appear in the Nov. 5 issue of the Journal of the American Medical Association .

The results , published in the Journal of the American Medical Association , involved just 47 heart attack patients .
no