@article {178, editor = {,}, title = {Cleaning of the perineal/genital area before urine collection from toilet-trained children prevented sample contamination}, volume = {12}, number = {6}, pages = {178--178}, year = {2007}, doi = {10.1136/ebm.12.6.178}, publisher = {Royal Society of Medicine}, issn = {1356-5524}, URL = {https://ebm.bmj.com/content/12/6/178}, eprint = {https://ebm.bmj.com/content/12/6/178.full.pdf}, journal = {BMJ Evidence-Based Medicine} }