TY  - RPRT
TI  - Multiple-puncture tuberculin testing.
AU  - A J Johnson
AU  - J A Lunn
PY  - 1979
DO  - 10.1136/bmj.1.6178.1624
UR  - https://pubmed.ncbi.nlm.nih.gov/466146/
ID  - 466146
ER  -