| environmental mycobacteria in areas of high and low tuberculosis prevalence in the islamic republic of iran. | this research compared the numbers and types of different mycobacterium species in soil samples taken from 2 areas of golestan province, islamic republic of iran, 1 with a high prevalence of tuberculosis and 1 with a low prevalence. from 220 samples, 91 grew positive cultures (41.4%) and 161 different strains were diagnosed. the most common species isolated were mycobacterium fortuitum, m. flavescens and m. chelonae. the frequencies of environmental mycobacterium in the low-prevalence area were ... | 2006 | 17037695 |