51.  And some researchers fear that widespread use of the M-bone could easily clog the Internet and interfere with more common services, including electronic mail.

52.  And widespread use of oral rehydration therapy for malnourished children is saving more than a million lives a year.

53.  And, he said, many who question the widespread use of Ritalin may not appreciate how severely a learning disorder can disrupt a life, he said.

54.  As a more long-term concern, some scientists warn that widespread Cipro use might spawn a generation of contagious bacteria other than anthrax that Cipro cannot kill.

55.  Around this same time began a more widespread use of rear-projection process shots.

56.  As with the blood vessel bank, the foundation and its mission faded into obsolescence as techniques invented by Keefer came into widespread use by veterinarians.

57.  ATL Ultrasound is one of at least three American medical equipment companies whose ultrasound technology is now in widespread use at Chinese hospitals and clinics.

58.  Because AIDS prevention also requires testing and counseling, which are scarce in the Third World, experts urged pilot studies of such combinations before widespread use of nevirapine.

59.  Because it enhances oxygen-carrying capacity, EPO is also believed to be in widespread use in such endurance sports as cycling and distance running.

60.  Before the FDA approves a drug for widespread use, drug companies also must undertake Phase III testing, which covers safety, effectiveness and proper dosage.