Name Info Provider Link
Intestinal Obstruction free resource MedlinePlus Health Information https://medlineplus.gov/intestinalobstruction.html
subscription/membership/fee required Sunmedia PierOnline http://www.pieronline.jp/openurl?issn=0385-0684&volume=41&issue=11&spage=1401
subscription/membership/fee required Medical Online, Meteo Inc https://www.medicalonline.jp/meteo_linkout.php?issn=0385-0684&volume=41&issue=11&spage=1401