Name	Info	Provider	Link
Bowel Movement	free resource	MedlinePlus Health Information	https://medlineplus.gov/bowelmovement.html
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s00253-011-3782-5
SILVA SSU Database	free resource	SILVA	http://www.arb-silva.de/search/show/ssu/pubid/22218766