<prompt> Translate the following text to EnglishKatika utafiti uliofanywa na kituo cha matibabu ya majeraha, asilimia 27 tu ya watu waliojibu waliamini kwamba matibabu mafupi yana matokeo ya wastani.  <response>: In the trauma center survey mentioned previously, only 27 of respondents believed that brief interventions are at least moderately effective. 