TY  - RPRT
TI  - B.C.G. tuberculin as a testing material.
AU  - E FRIEDMAN
AU  - I SILVERMAN
PY  - 1949
DO  - 10.1056/nejm194912082412302
UR  - https://pubmed.ncbi.nlm.nih.gov/15395659/
ID  - 15395659
ER  -