21.   Military maps of the mines around Kusonje have been lost so no one really knows the extent of hidden danger there, said Kvarsnik.

22.   Miss Argueso had sought help from a clinic early in her pregnancy, police said, but they did not know the extent of her prenatal care.

23.   Milwaukee Police Lt. Dennis Marlock, who founded an international group called Professionals Against Confidence Crime, said no one knows the extent of these crimes nationally.

24.   No one knows the extent of consumer demand for electronic books, but his victory is already encouraging imitators, including the well-financed Barnesandnoble.com.

25.   No one knows the extent of the AIDS epidemic in China.

26.   No one knows the extent to which doctors already facilitate suicide.

27.   No one knew the extent of the injury until the next morning, when Bryant was examined at the Kerlan-Jobe Orthopaedic Clinic.

28.   No one knows the extent of fraud and abuse of the cards across the entire Defense Department.

29.   Nobody knows the extent of his injuries.

30.   Not even the vice president, Thomas Marshall, or the Cabinet, knew the extent of his illness.