21.   A researcher who wants to administer the drug in a study, however, faces myriad scientific and regulatory reviews.

22.   Administering the drug as an HIV preventive after needle sticks is not a approved use of nevirapine, said Sheila Burke, a spokeswoman for Boehringer Ingelheim.

23.   After the drug is administered, it is followed a day later by a second drug that induces contractions.

24.   Bristol-Myers last month received a patent for how the drug is administered.

25.   But, they say, Medicare pays much less than what it costs to administer the drugs.

26.   Christine Cassiano, an Allergan spokeswoman, said the frozen-face effect should not occur if the drug is properly administered.

27.   Doctors already administer the drug to bolster infection-fighting white blood cells in patients who have undergone chemotherapy.

28.   Doctors may prescribe but not administer the drugs.

29.   Doctors may prescribe but not administer the drug.

30.   Doctors receive separate payments for the drugs and for the service provided when they or their nurses administer the drugs.