====== PubMed Links ======

  * [[http://sumsearch.org/cite/?todo=cite&q=21627799&topic=rx&intervention=&comparison=placebo&outcome=&eer=&cer=&outcometype=-&sens=&spec=&prev=|SumSearch Biomedical citation maker]]
  * [[https://mickschroeder.com/citation/?q=20069275|Mick Schroeder's citation generator]]