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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=29489050.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29489050/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/29489050
subscription/membership/fee required Wiley https://doi.org/10.1111/bju.14182
free resource scite Smart Citations https://scite.ai/reports/29489050
Full text from free resource White Rose Research Online https://eprints.whiterose.ac.uk/128030/