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Table 4 Examples of highly weighted lexical features for the three SNOMED CT roles: AM Associated_morphology CA (Causative_agent), and FS (Finding_site)

From: Formalizing biomedical concepts from textual definitions

AM “displacement of”, “medical condition characterized”
CA “caused”, “cause”, “from the”, “by a”, “agent of”, “an infection of”
FS “of”, “in”, “affects only”, “infection of”