论文部分内容阅读
Tuberculosis,pneumoniaandotherrespiratoryinfections,lungcancer,chronicbronchitis,emphysemaandasthmaarethemajorrespiratorydis...
Tuberculosis, pneumonia andotherrespi-laboratoryinfections, lungcancer, chronicbronchitis, emphysemaandasthmaarethemajorrespiratorydis ...