Sputum smear test is widely used and has the advantages of low cost, easy operation and high specificity, but due to its low overall sensitivity, a large number of active TB patients missed the test
Sputum smear testing is widely used and has the advantages of low cost, ease of operation and high specificity, but due to its low overall sensitivity, a large number of active TB patients are missed
Sputum smear test is widely used and has the advantages of low cost, easy operation and high specificity. However, due to its low overall sensitivity, a large number of active TB patients are missed<br>