00317nam a2200109Ia 450000500170000008000180001710000210003524500930005626000240014930000160017358300180018920260716043626.0 a14.07.01 M516 aMejía, Alfonso aPhysician and nurse migration : analysis and policy implications : report of a WHO study bWHOaGenevaCHc1979 axiv, 476 p. c11/4/05kJOYD