en anti headache agent (n)
― IsA ⟶
Weight: 1.0
en analgesic (n) Source: OpenCyc 2012
en isometheptene mucate (n)
― IsA ⟶
Weight: 1.0
en anti headache agent (n) Source: OpenCyc 2012
en methysergide maleate (n)
― IsA ⟶
Weight: 1.0
en anti headache agent (n) Source: OpenCyc 2012