In addition to field sobriety tests, three other DUI tests may be administered. These DUI tests are as follows: br • Blood tests br • Urine tests br • Breath tests br br Are these tests reliable, and do these tests all provide the same results? br The Fallible Nature of Arizona DUI Tests br No matter which blood test is administered, the test results are often: br • Fallible br • Unreliable br • Incapable of providing the same or similar results between tests br br Studies continuously show the limitations of using these tests for determining a DUI. Given the fallible and unreliable nature of DUI tests, defendants charged with a DUI need an Arizona DUI defense lawyer who can provide evidence that casts doubt on dubious or unreliable test results. br br Tyler Allen Law Firm br 4201 N.