Name Info Provider Link
free resource Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0032-5791(19)48011-5
Bowel Movement free resource MedlinePlus Health Information https://medlineplus.gov/bowelmovement.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=31065719.ui
subscription/membership/fee required Silverchair Information Systems https://academic.oup.com/ps/article-lookup/doi/10.3382/ps/pez244