Show work for extinction of T berc tio exhibitions showing la lz graphic form be he prevention of consumption have been la in cm every state in tho the state except nevada arizona new mexico and wyoming and aico also in most of the canadian provinces and in mexico porto rico and cuba according to a statement mail mado by the Nati national onial association for tho the study stud and find Prevent prevention lon of tuberculosis there or are e now 25 tates states and 16 cities hay ing permanent and tra traveling velling exhibit exhibits be besides dill ides the two tm a operated by the national itself and the total number of similar ito alar displays la Is over including about 1 small inal school the first tuberculosis ex ox hibit in america mas hown shown tv v the maryland commission in january ISO 1904 in 1908 1906 abe herff four euch such exhibit exhibits |