3.147.2.189=3.1
https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&term=New+York;+and+University+of+Maryland+Medical+Center+N.N.[Affiliation]&datetype=edat&usehistory=y&retmax=25&retstart=75&tool=pubfacts&email=info@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b49083.147.2.189=3.1
https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&WebEnv=MCID_67957a4bb82180f4bd0ce0fb&query_key=1&retmode=xml&retmax=25&retstart=75&tool=pubfacts&email=info@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908