Assertion: urea | /r/HasProperty | discovered in urine
Facets:
value: by dutch chemist herman boerhaave
type: OTHER
value: by the dutch scientist
type: OTHER
Source sentences:
text: Urea was first discovered in urine in 1727 by the Dutch scientist Herman Boerhaave, although this discovery is often attributed to the French chemist Hilaire Rouelle.
text: Urea was first discovered in urine by Dutch chemist Herman Boerhaave in 1727.