@misc{indiciae9dbb2d47928f, title = {Validating methods of urine collection: a pilot study.}, author = {Jennifer A Seifert and Colleen A Ross and John C Deutsch and Joseph A Awad and Jill M Norris}, year = {2002}, url = {https://pubmed.ncbi.nlm.nih.gov/11993239/}, note = {Source identifier: 11993239} }