1. Fei jie he bing ren de tan, bu neng yan xia qu, yi ding yao tu chu lai Publication: [Shanghai] : Shanghai fang lao xie hui zhi, 1953 Subject(s): Tuberculosis, Pulmonary -- prevention & controlDisinfection -- methodsSputumHealth EducationChina
2. Pljuj samo v pljuvalnik Publication: [Slovenia] : Ministrstvo za ljudsko zdravstvo, [194-?] Subject(s): SalivaDisease Transmission, Infectious -- prevention & controlHygieneSputum