|literature search = [http://www.cabdirect.org/search.html?it=any&q1=%22Anal+Sac%22&calendarInput=yyyy-mm-dd&occuring1=title&show=all&rowId=1&options1=AND&start=10&publishedend=yyyy&la=any&publishedstart=yyyy&y=11&x=39 Anal Sac Disease publications] | |literature search = [http://www.cabdirect.org/search.html?it=any&q1=%22Anal+Sac%22&calendarInput=yyyy-mm-dd&occuring1=title&show=all&rowId=1&options1=AND&start=10&publishedend=yyyy&la=any&publishedstart=yyyy&y=11&x=39 Anal Sac Disease publications] |