21.   Family hospital and doctor visits convinced us that we needed a set of collective nouns for the various medical specialists who travel through illnesses in groups.

22.   Far be it from Dee Dee to question a medical specialist, or whatever he or she is, but this advice is unsound.

23.   First she recruited a medical specialist to operate on the hernia.

24.   For many, a clinical trial offers a rare opportunity for a full diagnostic workup by a medical specialist.

25.   For those with prolonged diseases, medical specialists must confirm that other treatments have been tried or considered.

26.   He also promises more parental control of schools, more freedom to choose doctors and medical specialists and more economic opportunity.

27.   He opposes needle exchange programs that many medical specialists advocate as a way to stem the spread of the AIDS virus among intravenous drug users.

28.   HMOs would have to give patients prompt access to medical specialists.

29.   If she continues to play her rough style, she might increase business for many medical specialists.

30.   If a medical specialist sets up shop, a line of patients waiting to be treated is likely to follow.