Name Info Provider Link
Peptic Ulcer free resource MedlinePlus Health Information https://medlineplus.gov/pepticulcer.html
subscription/membership/fee required Medical Online, Meteo Inc https://www.medicalonline.jp/meteo_linkout.php?issn=0385-0005&volume=37&issue=1&spage=14
free resource Tokai Medical Association http://mj-med-u-tokai.com/pdf/370104.pdf