Some of the needs of continuing medical education (CME) in Third World countries are described. The potential of hypertext-based computer-assisted instruction (CAI) to meet these needs are discussed and compared to a more traditional expert system type approach to CAI. A prototype hypertext CAI system in such an application area#x2014;the Liverpool Anaemia Guide System (LAGS)#x2014;is described and its use evaluated by a small sample of Third World medical practitioners. It is concluded that systems such as LAGS may make a valuable and cost effective contribution to Third World CME programmes.
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