11.   In the balancing act performed by medical ethicists, the scales tip decisively against assuming the risk inherent in a uterine transplant, a leading specialist said.

12.   Leading AIDS specialists said they are concerned, because all indications are that HIV-infected individuals will have to take the drugs for years to come.

13.   Leading specialists can hardly contain their enthusiasm, and the American Medical Association and American Heart Association are preparing major education campaigns.

14.   Steinberg is widely acknowledged as the leading American specialist on the Philippines.

15.   That year, he learned that Anthony Movshon, a leading NYU specialist in neuroscience, was about to accept an offer from MIT.

16.   The new results are prompting some leading specialists to call for an urgent, federally funded study to nail down the degree of risk.

17.   The timing is no coincidence, says psychologist Alicia Lieberman, a leading specialist in toddler development.

18.   A leading specialist had been called in to run tests, but conclusive results were not yet in.