%0 Journal Article %T Problemā€based learning in distance education: a first exploration in continuing medical education %A ENGEL, C. E. %A BROWNE, E. %A NYARANGO, P. %A AKOR, S. %A KHWAJA, A. %A KARIM, A. A. %A TOWLE, A. %J Medical Education %V 26 %N 5 %@ 0308-0110 %D 1992-09-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve