The urinary hydroxyproline excretion from normal individuals ranging from birth to 70 years
of age has been expressed as milligrams hydroxyproline to milligrams creatinine excreted …

Total hydroxyproline was estimated in urine of each of 166 healthy persons ranging in age
from 21/2 to 88 years. Average daily hydroxyproline excretion expressed as a function of …

Twenty-four hour urinary total hydroxyproline was measured in 70 normal males and 10
normal females between the ages of 5 through 49. Normal values for excretion of …

The daily urinary excretion of endogenous hydroxyproline is believed to be a reliable index
of collagen turnover, particularly the collagen matrix of bone (Ziff et al., 1956; Prockop and …

Conditions for the determination of the fasting urinary hydroxyproline: creatinine ratio (OHPr:
Cr ratio) have been examined, using a resin-catalysed hydrolysis and automated …

Extract: Rates of urinary excretion of total hydroxyproline by 38 normal fullsize male infants
were determined on 176 occasions. Each urine collection period was 72 hours. When the …

The total hydroxyproline: creatinine ratio has been determined in random samples of urine
collected from 1577 normal Bristol children and from children with hypothyroidism, growth …

Three methods of determining the total hydroxyproline content in urine were compared to
check the inhibitory influence of some urinary constituents on the analysis. It is …

The effect of dietary control on the day-to-day variation in total hydroxyproline excretion has
been examined in two studies. In the first, a normal volunteer ate a controlled diet containing …

A reversed-phase" high-performance" liquid chromatographic assay for total hydroxyproline
in urine is described. The urine samples are hydrolyzed overnight with acid, evaporated …