Need to perform PCR on these samples.
You just contact national institute for research in tuberculosis
Here is a link to the mycobacterial biological reagents site. It gives you all the instructions necessary to acquire the materials needed.
http://www.beiresources.org/TBVTRMResearchMaterials/tabid/1431/Default.aspx
This is a part of the NIH/NIAID program.
Thank you very much, your responses are most useful
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