PT - JOURNAL ARTICLE AU - D. A. Mitchison TI - Development of Streptomycin Resistant Strains of Tubercle Bacilli in Pulmonary Tuberculosis AID - 10.1136/thx.5.2.144 DP - 1950 Jun 01 TA - Thorax PG - 144--161 VI - 5 IP - 2 4099 - http://thorax.bmj.com/content/5/2/144.short 4100 - http://thorax.bmj.com/content/5/2/144.full SO - Thorax1950 Jun 01; 5