Name Info Provider Link
subscription/membership/fee required HighWire https://jcp.bmj.com/lookup/pmidlookup?view=long&pmid=29092999
Gastrointestinal Bleeding free resource MedlinePlus Health Information https://medlineplus.gov/gastrointestinalbleeding.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29092999.ui
free resource scite Smart Citations https://scite.ai/reports/29092999