21.   After all the work involved in bringing Casper to the big screen, would Montgomery do it again?

22.   But that work would involve excess embryos, kept in cold storage at fertility clinics, that would otherwise be discarded.

23.   But the new work involved the first such complete sequencing of a member of a group of organisms that includes humans as well as yeast.

24.   But the work done so far involves only a small number of neurons in the brain, and the experiments have been done only in rats.

25.   But will the eater understand the work involved?

26.   Cheung cautioned that the MGH work involved sensory neurons, which have long projections that lie both inside and outside the central nervous system.

27.   Colleagues say that St. Louis is lucky the pope agreed to visit, and that Rigali was willing to accept all the work involved with the event.

28.   Generally the attorney-client privilege has been associated with legal work performed involving civil and criminal cases.

29.   He had become the lone man in his section of a large pharmaceutical company, where the work involved complex computerized technical searches in medicine and chemistry.

30.   Her Daryl K. collection owed its considerable energy not to any fashion forecast but to rhythms of the street and the hard work involved in challenging tradition.