Assertion: nitroglycerin | /r/HasProperty | written
Facets:
Source sentences:
text: Nitroglycerin was written about as early as 1846 and came into medical use in 1878.
text: Nitroglycerin was written about as early as 1846 and came into medical use in 1878.
text: Nitroglycerin was written about as early as 1846 and came into medical use in 1878.