The previous page is sending you to https://openi.nlm.nih.gov/detailedresult?img=PMC4978775_12195_2016_438_Fig1_HTML&query=the&fields=all&favor=none&it=nonexg&sp=none&sub=none&req=4&simResults=PMC3902945_gkt964f5p.

 If you do not want to visit that page, you can return to the previous page.