CHINESE JOURNAL OF TUBERCULOSIS AND RESPIRATORY DISEASES, Volume 22, Issue 6,1999, Pages 377, doi:10.3760/j:issn:1001-0939.1999.06.031
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CHINESE JOURNAL OF TUBERCULOSIS AND RESPIRATORY DISEASES, Volume 22, Issue 6,1999, Pages 373, doi:10.3760/j:issn:1001-0939.1999.06.022
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CHINESE JOURNAL OF TUBERCULOSIS AND RESPIRATORY DISEASES, Volume 22, Issue 6,1999, Pages 362, doi:10.3760/j:issn:1001-0939.1999.06.013