What is the role of the ISSN International Centre?

Mar 20, 2025 ... This applies to both print and digital media. An ISSN is an 8-digit code comprised of two groups of four digits, separated by a hyphen. The ... issn.2072-1439.2015.06.11. Abstract. The prevalence of obstructive sleep apnea (OSA) defined at an apnea-hypopnea index (AHI) ≥5 was a mean of 22% (range, 9 ... The ISSN Portal, published by the ISSN International Centre, allows you to search through the worldwide database of ISSN bibliographic records. Basic Policy on Bibliographic Data and Bibliographic Control, Cataloging Tools and Resources, List of Applied Rules, Operational Regulations for Nippon. Definition and regulation of dietary supplements. The Dietary Supplement Health and Education Act (DSHEA) and the safety of dietary supplements. Congress passed ... Digital Culture & Education (ISSN: 1836-8301) · Home · Browse Journal ... This means: everyone has free and unlimited access to the full-text of all ... The mean duration was 8.93 years and 15% had family history. The mean age of ... ISSN: 2455-4529. [email protected], [email protected]. Jun 17, 2022 ... ISSN stands for International Standard Serial Number and is used for journals, magazines, and other serial publications. It is made up of two ... The ISSN is an International Standard Serial Number. It is an 8 digit number that is used to identify books, publications, or media that is produced on a ... International Journal of Gynecology & Obstetrics. Editor: Michael Geary. JOURNAL METRICS >. Online ISSN:1879 ...