Communication Mass media 22 Research 8 Communicatie 7 Publicación periódica 7 Communication in medicine 6 Me ́dias 6 Social sciences 6 Art 5 Ciencas sociales 5 Information science 5 Social aspects 5 Massacommunicatie 4 Recherche 4 Comunicación 3 Health 3 Information technology 3 Journalism 3 Kommunikation 3 Political aspects 3 Study and teaching 3 Telecommunication 3 Zeitschrift 3 Aspect e ́conomique 2 Communication and culture 2 Communication en me ́decine 2 Communication in science 2 Communication of technical information 2 Culture 2 Education in mass media 2