| Show GROUP TUBERCULIN 5 TESTS DESCRIBED Tubercular infection In at least 60 per cent of ot the cases can be traced to the home environment Miss Ada Taylor Graham executive secretary of ot tho the Utah Tuberculosis association said Thursday in a lecture lecture lec lee ture at the Salt Lake Visiting Nurse association staff meeting in the chamber of ot commerce Miss Graham described various means of ot case finding including group tuberculin testing and stressed importance of early d diagnosis ding ding- ng- ng no is if it Utah and other states are arc to continue the recent downward trend in in the tuberculosis death rate |