TY  - RPRT
TI  - Negative tuberculin test in active tuberculosis.
AU  - O P Sharma
AU  - P A Evans
PY  - 1972
DO  - 10.1056/nejm197202172860714
UR  - https://pubmed.ncbi.nlm.nih.gov/5008561/
ID  - 5008561
ER  -