Name Info Provider Link
Urine and Urination free resource MedlinePlus Health Information https://medlineplus.gov/urineandurination.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=15705081.ui
subscription/membership/fee required Wiley https://doi.org/10.1111/j.1464-410X.2005.05340.x