Name Info Provider Link
Urine and Urination free resource MedlinePlus Health Information https://medlineplus.gov/urineandurination.html
subscription/membership/fee required Wiley https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0144-1795&date=1997&volume=17&issue=1&spage=35