TY  - RPRT
TI  - Tuberculosis control programme in Beijing.
AU  - L X Zhang
AU  - G Q Kan
PY  - 1992
DO  - 10.1016/0962-8479(92)90150-i
UR  - https://pubmed.ncbi.nlm.nih.gov/1421349/
ID  - 1421349
ER  -