Assertion: aura | /r/HasProperty | migraine
Facets:
Source sentences:
text: Firstly, 50 years after its discovery, it was finally agreed that this phenomenon plays a key role in the genesis of migraine attacks, possibly even when it is not preceded by an aura (migraine without aura is the common type).
text: Migraines were first divided into the two now used types – migraine with aura (migraine ophthalmique) and migraine without aura (migraine vulgaire) in 1887 by Louis Hyacinthe Thomas, a French Librarian.