1997f-516 2005c-149 2005k-998 appareilsdecommunicationpourhandicapés communication communicationbarriers communicationdevicesforpeoplewithdisabilities communicationdisorders communicativedisorders culturallycompetentcare developingcountries disabledpersons handicapés interpersonalrelations linguistics meansofcommunication moyensdecommunication needsassessment nonverbalcommunication patients peoplewithdisabilities poverty professional-patientrelations psychology rehabilitation servicesfor socialfacilitation socioeconomicfactors treatment