As the whole blood concentration is greater than 1μg/L and the urinary concentration is greater than 10μg/L after at least 10 days of administration.

However, the racial/ethnic mix, educational attainment, marital status, and median urinary concentrations of the metabolites of low and high molecular phthalates were similar.

Temporal variability in urinary concentrations of phthalate metabolites, phytoestrogens and phenols among minority children in the United States.

The urinary concentration of all four CTX isoforms was initially measured in reference populations of healthy premenopausal and postmenopausal women.

Overall, they found a 35% increase in the odds of developing ADHD with every 10-fold increase in urinary concentration of the pesticide residues.

The subsequent buildup of urea in the inner medulla is critical to the process of urinary concentration.

Two to three hours after a single 400-mg dose, urinary concentrations of 200 μg/mL or more are attained in the urine.

In healthy volunteers, mean urinary concentrations of norfloxacin remain above 30 μg/mL for at least 12 hours following a 400-mg dose.

A recent study found an association between urinary concentrations of the endocrine disruptor BPA and body mass indexes of children and adults aged 6-19 years.

The distinction is made during the water deprivation test, as some degree of urinary concentration above isosmolar is usually obtained before the patient becomes dehydrated.