The aim of this study was to develop a practical approach allowing a reliable and noninvasive assessment of cortisol production rates in premature infants. To measure daily urinary excretion rates of ...

This summary reviews suprapubic bladder aspiration in children, both with and without the use of ultrasound guidance. Familiarity with this procedure is important when neither a clean-catch urine ...

Employers in the transportation industry will soon have to implement tougher urine collection procedures designed to thwart cheating by workers in safety-sensitive positions now that challenged ...