Assertion: enema's effect | /r/HasProperty | claimed by german scientists
Facets:
value: in the 1920s
type: TEMPORAL
Source sentences:
text: Recorded medical use of coffee enemas dates back to 1917; their beneficial effects on the liver were claimed by German scientists in the 1920s; they appeared in all major nursing textbooks through the 1950s; and they were listed in the Merck Medical Manual until the mid-1970s.