OBJECTIVE:To provide retrieval techniques for chemical and medical workers to mater the latest technology dynamic state.METHODS:The four basic retrieval methods of CA on CD(American Chemical Abstracts)were introduced,and of which,several classic logical combination retrieval techniques were exemplified in detail.RESULTS & CONCLUSIONS:The retrieval of CA on CD is characterized by convenience,rapidity,flexibility,multiform logical combination.Medical information worker should skillfully use the combination retrieval techniques and unceasingly explore the exemplification of these retrieval techniques.

OBJECTIVE: To discuss the competitive intelligence(CI) development strategies in Chinese pharmaceutical enterprises. METHODS: The CI in Chinese pharmaceutical enterprises was overviewed and the problems were analyzed. Then development strategies of CI were put forward. RESULTS & CONCLUSION:CI is one of the powerful competitive tools in pharmaceutical enterprises; development strategies of which should be further explored.