a survey was carried out in 1974 in the same random sample of 11 of 30 districts in kenya that were surveyed in 1964 , to obtain information on ( a ) the proportion of patients with pulmonary and with extra-pulmonary tuberculosis , ( b ) the prevalence of bacteriologically-positive pulmonary tuberculosis , ( c ) the prevalence of initial and acquired drug resistance , ( d ) the radiographic extent and type of pulmonary disease , and ( e ) the changes that had occurred in the 10-year period .
C0041327
pulmonary tuberculosis
C0024115
pulmonary disease