<prompt> Translate the following text to EnglishRobert Woolard aliripoti kwamba wagonjwa wengi wa ED waliofikiwa kushiriki katika utafiti bado walikuwa na viwango vya pombe vya damu vinavyoweza kupimwa.  <response>: Robert Woolard related that many ED patients they approached to participate in research still had measurable blood alcohol levels. 