For example, this links to the abstract for PMID 12748199:
https://pmid.us/12748199
Compare that to the equivalent but much longer direct link to PubMed:
https://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=retrieve&db=pubmed&list_uids=12748199&dopt=AbstractPlus
Or, at least:
https://www.ncbi.nlm.nih.gov/pubmed/12748199
Learn more about linking directly to PubMed.
Get abstracts for both PMID 2676911 and PMID 6189501:
https://pmid.us/2676911+6189501
Get the full text article for PMID 16167423:
https://pmid.us/full:23150728
Full text retrieval priority:
PMC > publisher (free) > publisher (fee) > abstract
Get related articles for PMID 12057717:
https://pmid.us/rel:12057717
Search for anything (links must escape non-url-friendly characters or type directly in your browser's address bar):
https://pmid.us/nac+pcos
https://pmid.us/(alopecia+OR+baldness+OR+%22hair+loss%22)+AND+(tnf-alpha+OR+tgf-beta)