Premodifier: bleeding
Head noun: ulcer

Same concepts
http://dbpedia.org/resource/Perforated_ulcer

Broader concepts

labelprovenanceconfidence
health issueisap:3685060620.690148
illnessisap:2273735190.639480
complicationisap:4280239270.580061

Narrower concepts

labelprovenanceconfidence
problemisap:368898760.284406