TY - RPRT TI - Radiography and tuberculosis. Selective and mass methods. AU - H J TRENCHARD AU - R GRENVILLEMATHERS PY - 1952 DO - 10.1016/s0041-3879(52)80015-7 UR - https://pubmed.ncbi.nlm.nih.gov/14893480/ ID - 14893480 ER -