The comparison of environmental Mycobacteriums in the regions with high and low prevalency of TB in Golestan province oleh E.Ghaemi (Ph.D), K. Ghazisaidei (Ph.D), H.Kohsarei (M.Sc), B.Khodabakhshei (M.D), F.Kohsar (M.Sc), N.Behnampour (M.Sc), M.Basorei (B.Sc), M.Babaei-Kochaksaraei (B.Sc), SH.Bahmanyar (M.D)