Assertion: camphor's material | /r/HasProperty | cmcp
Facets:
Source sentences:
text: Calcium hydroxide (CaO[H.sub.2]) was introduced as early as 1920, [Hermann, 1920] and it was suggested very early on that this material mixed with camphorated parachlorophenol (CMCP) would induce a calcified barrier across the apex [Kaiser, 1964].