For the first time, icy patches were discovered in some small areas of the nucleus surface.
But before any patients could be treated, the agency suspended the trial after cysts were discovered in some rats injected with the cells.
In recent days, traces of melamine have also been discovered in some batches of liquid milk and in a frozen yogurt bar in Hong Kong.
Mr. Tobón said he began getting tips from the morgue and the police when drug mules died in hospitals or were discovered in some hotel near Kennedy International Airport.
LOPATE You've been making films for so long -- how do you feel about suddenly being discovered in some parts of the world?
Whatever happens, Medtronic is hoping to contrast its response with that of Guidant three years ago, when deadly defects were discovered in some of its defibrillators.
"Bedbugs were discovered in some isolated locations but not in any public areas," a spokesman for the Met said in a statement, adding that the areas were being treated and monitored.
But less than three weeks before a scheduled game against Canada in South Williamsport, Pa., Uganda's players were denied travel visas after irregularities were discovered in some birth certificates.
Granted, there are regular reports of healthy 130- or 150-year-olds being discovered in some remote mountain region in Eastern Europe, living on yogurt and garlic, herding goats and fathering children at an age when most people would have been dead long ago.
