Assertion: aphthous ulceration | /r/AtLocation | the treatise of the epidemics
Facets:
value: several times
type: TEMPORAL
Source sentences:
text: Aphthous affectations" and "aphthous ulcerations" of the mouth are mentioned several times in the treatise "Of the Epidemics" (part of the Hippocratic corpus, in the 4th century BC), although it seems likely that this was oral ulceration as a manifestation of some infectious disease, since they are described as occurring in epidemic-like patterns, with concurrent symptoms such as fever.