Assertion: fecal matter | /r/HasProperty | needed
Facets:
value: according to the cdc
type: OTHER
Source sentences:
text: According to the CDC, stools collected on separate days are needed to determine if a parasite is present and which type.
text: While researchers try to understand how it works, a second study in Alberta is trying to learn about how much fecal matter is needed, how often and why it doesn’t work in some individuals.