31.   One important source of information in the process of producing Occupational Standards is the content of existing qualifications.

32.   This constituted an important source of financial support.

33.   Being irreplaceable is an important source of power in social systems, and groups may take steps to strengthen their indispensability.

34.   Blood is the single most important source of HBV and other blood-borne pathogens in the occupational setting.

35.   Thus, HBV infected extrahepatic tissues, including periperhap blood mononuclear cells, may be important potential sources for late infection of the graft.

36.   On the other hand, the small intestine is an important source of circulating cyclic nucleotides.

37.   Growth in the number of elderly people in the population is one important source of growing demands on health services.

38.   The latter, who was writing in Burgundy, is an important source of information for the kingdom of the Burgundians.

39.   The need to change the law has been an important source of delay in the establishment of futures exchanges in several countries.

40.   For those with a deeper interest in the history of the plate tectonics revolution Le Grand is an important source.