en tretinoin (n)
― IsA ⟶
Weight: 1.0
en medicine (n) Source: OpenCyc 2012
en tretinoin (n)
― IsA ⟶
Weight: 1.0
en acne medication (n) Source: OpenCyc 2012
en tretinoin
― IsA ⟶
Weight: 0.5
en drug (n) Source: DBPedia 2015