Metadata is missing

Attempt to repeat retrieval from the channel.
If you continue to have problems, send the following information to support@quosa.com:
For PubMed channel: the PubMed IDs (PMIDs) for the articles
For OvidSP channel: Database, Ovid Unique ID or journal
For WOK Channel: Database, Unique ID or journal
Scopus Channel: Search query, DOI or or journal

We will try to replicate the problems and identify the cause.