DOI is digital object identifier governed by International DOI Foundation (IDF) and managed by federation of Registration Agencies. Click here to see all the Registration Agencies for DOI. (Ref-1) CrossRef is the popular association of scholarly publishers provides DOI for scientific articles. It is also the official DOI Provider for scholarly p . . .
To include any Journal in PubMed one must apply for the inclusion in PMC (PubMed Central). PMC is an electronic Archive contains full text of scientific articles for free. On the other hand PubMed is an citation and abstract database of articles. (Ref-1) Any journal included in PMC will automatically indexed in PubMed as soon as processed by . . .