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alijan99 alijan99
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6 years ago
Most cases of active pulmonary tuberculosis in older adults results from
 
  A. A new infection due to Mycobacterium tuberculosis in a susceptible person not previously exposed to the organism
  B. Reactivation of a previously acquired Mycobacterium tuberculosis infection
  C. An infection caused by mycobacteria other than Mycobacterium tuberculosis
  D. An exotoxin-producing strain of Mycobacterium tuberculosis
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virpal j.virpal j.
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6 years ago
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alijan99 Author
wrote...

6 years ago
this is exactly what I needed
wrote...

Yesterday
Thanks for your help!!
wrote...

2 hours ago
Smart ... Thanks!
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