Name Info Provider Link
free resource BioMed Central https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/s12938-019-0651-4
Urine and Urination free resource MedlinePlus Health Information https://medlineplus.gov/urineandurination.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30902056/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/30902056