TY  - RPRT
TI  - Quantitative tests with old tuberculin in sanatorium practice.
AU  - C E Woodruff
AU  - P T Chapman
AU  - W L Howard
AU  - M D Klopfenstein
AU  - W J Steininger
PY  - 1968
DO  - 10.1164/arrd.1968.98.2.270
UR  - https://pubmed.ncbi.nlm.nih.gov/4970048/
ID  - 4970048
ER  -