TY - GEN AU - PATERSON,A B TI - The stability in dilution of a purified derivative of tuberculin; a report on an investigation carried out on behalf of the British Tuberculosis Association with an appendix on the stability of stock PPD tuberculin SN - 0041-3879 PY - 2002///0501 KW - Appendix KW - Ethnicity KW - Humans KW - Tuberculin KW - Tuberculosis N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0041-3879(57)80003-8 ER -