Periodicals 389
Periodical 219
Electronic journals 208
Fulltext 73
Internet Resources 73
Pe ́riodiques 59
Zeitschrift 13
Case Reports 12
Libros electrónicos 10
Pe ́riodique e ́lectronique (Descripteur de forme) 9
Ressource Internet (Descripteur de forme) 9
Abstracts 6
Case studies 6
Review 3
Statistics 3
Computer network resources 2
Medical statistics 2
P ́eriodiques 2
Statistics, Medical 2
Bibliographie 1
Bibliography 1
Comparative Studies 1
Congress 1
Congresses 1
Electronic Journals 1
Electronic books 1
Electronic journal 1
Handbooks 1
Handbooks, manuals, etc 1
Index 1
Internet Resource 1
Konferenzschrift 1
Kongress 1
Maps 1
Online resources 1
Online-Publikation 1
Publicaciones seriadas 1
Review Literature 1
Revistes electro`niques 1
Statistics, Vital 1
Vital statistics 1
periodicals 1
periodika 1