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  Indian J Med Microbiol
 

Figure 1: Receiver operating characteristic (ROC) curve of surfactant protein D (SP-D) for diagnosis of chronic obstructive pulmonary disease (COPD) patients from controls.

Figure 1: Receiver operating characteristic (ROC) curve of surfactant protein D (SP-D) for diagnosis of chronic obstructive pulmonary disease (COPD) patients from controls.