Methods There were 171cases suffering from t ubal obstruction accepting the operation,whose fallopian tubes were intubated and dredged under hystero scope.
They say after all these years underwater, time is running out to dredge the Marconi wireless Telegraph machine, that transmitted the Titanic's frantic distress calls.
The study's authors dredged for detailed data on sales and purchases (from transaction ledgers) and on rents and maintenance costs (from rent books) over the period from 1901 to 1983.
A clam dredged from the ocean off Iceland in 2006-and inadvertently killed by the scientists who discovered it- carried growth lines on its shell indicating it had been around since 1499.