The previous page is sending you to https://openi.nlm.nih.gov/detailedresult?img=PMC1885976_pone.0000522.g001&query=&favor=o,d,e,g,oc,pr,pg,t&it=xg&at=ab,bk,bf,cr,dp,di,ed,hs,ib,in,lt,mr,ma,ne,ob,or,os,pr,rr,re,ra,rw,sr&req=4&simResults=PMC4548767_opth-9-1511Fig1.

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