TY  - RPRT
TI  - Tuberculosis case-finding in the aged.
AU  - O D BERESFORD
PY  - 1957
DO  - 10.1016/s0140-6736(57)92608-9
UR  - https://pubmed.ncbi.nlm.nih.gov/13464077/
ID  - 13464077
ER  -