<prompt> Translate the following text to EnglishCherpette C. ni mchanganuzi wa vyombo vya uchunguzi wa matatizo ya pombe kati ya wagonjwa weusi na wazungu wa chumba cha dharura kutoka mikoa miwili ya nchi.  <response>: 8. Cherpitel C. Comparison of screening instruments for alcohol problems between black and white emergency room patients from two regions of the country. 