random specimen

ran·dom spec·i·men

(ran'dŏm spes'i-mĕn)
A sample that may be collected at any time.
References in periodicals archive ?
The study adopted the media survey technique on a random specimen comprising 400 (male/female) subjects from various age groups and education levels.
Once accepted into the program, the licensee is required to follow the terms of the contract which include monthly employer and counselor reports, random specimen testing, and documented participation in recovery groups.
General Information Board stated that the field operations of the second stage of this survey will start in next October on a random specimen included (10500) Libyan families.
A peak that is stronger than all the other peaks in a pattern, relative to peaks from a random specimen, identifies a direction of preferred crystallographic orientation that is normal to the diffracting planes for that peak.
Because only a small quantity of protein is normally filtered through the glomerulus, tubular proteinuria is usually mild to moderate, which results in random specimen concentrations of 30-100 mg/dL.
To be clinically useful, the TE must include calibration bias, measurement imprecision, and other sources of imprecision, especially random specimen effects attributable to method nonspecificity.
In addition there will be random specimens of holly, Ilex aquifolium, filling the under-story of the woodland and providing shelter, nesting and feeding sites for a wide range of woodland birds.
A statement issued by the authority said that random specimens of eggs and Vimto had been collected from different stores and subjected to rigorous laboratory tests to see if they contained contaminants.
All gave results <1 mg/L, compared with a suggested screening threshold for random specimens of 6 mg/L (1).
Random specimens were scraped, and cell suspensions similar to those used for PCR analysis were obtained for cytologic examination.
Recently, we have completed another clinical study that evaluated a large number of random specimens from patients suspected of having C.
Other than these instructions, verification of the selection of truly random specimens was not attempted.