May 2, 2012 — Ruling out a urinary tract infection (UTI) is essential in the differential diagnosis for a febrile child, and several methods are available for collecting urine. A study published ...

This study was done to clarify the optimal number and type of casual urine specimens required to estimate urinary sodium/potassium (Na/K) ratio in individuals with high blood pressure. A total of 74 ...

March 16, 2010 — Careful attention to urine collection methods can identify some attempts by patients to produce false-negative results. In this article, published in the March 1 issue of American ...