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APA Paddock, C. (2015, March 10). "Drug testing using 'heart-on-a-chip' steps closer." Medical News Today. Retrieved from.

New Information:

1) There are five primary color-tests reagents used for general screening purposes. The Marquis reagent turns into a variety of colors when in the presence of different substances. Dillie-Koppanyi reagent uses two chemical solutions which turns a violet-blue color in the presence of barbiturates. Duquenois-Levine reagent is a series of chemical solutions that turn to the color of purple when the vegetation of marijuana is added. Van Urk reagent turns blue-purple when in the presence of LSD. Scott Test's chemical solution shows up as a faint blue for cocaine base.

2) Codeine: Hair Test Detectability Up to 90 Days. Blood/Oral Fluid Detectability 1-4 Days.

Actual Words Put Into The Main Article Page
Urinalysis is primarily used because of its low cost. Urine drug testing is one of the most common testing methods used. The enzyme-multiplied immune test is the most frequently used urinalysis. Complaints have been made about the relatively high rates of false positives using this test.

Up to 90 Days. 1 to 4 Days.

There are five primary color-tests reagents used for general screening purposes. The Marquis reagent turns into a variety of colors when in the presence of different substances. Dille-Koppanyi reagent uses two chemical solutions which turns a violet-blue color in the presence of barbiturates. Duquenois-Levine reagent is a series of chemical solutions that turn to the color of purple when the vegetation of marijuana is added. Van Urk reagent turns blue-purple when in the presence of LSD. Scott Test's chemical solution shows up as a faint blue for cocaine base.

Word Count: 143 Words.

Foot partol has been shown to decrease citizens fear of crime. Worrall, John L. (2010). "The effects of policing on crime." Pp.37-50 in R. Dunham and G. Alpert, crtical issues in policing, 6th ed. Long Grove, IL: