Birring, S., Parker, D., McKenna, S., Hargadon, B., Brightling, C., Pavord, I., & Bradding, P. (2005). Sputum eosinophilia in idiopathic pulmonary fibrosis.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBirring, S., D. Parker, S. McKenna, B. Hargadon, C. Brightling, I. Pavord, और P. Bradding. Sputum Eosinophilia in Idiopathic Pulmonary Fibrosis. 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBirring, S., et al. Sputum Eosinophilia in Idiopathic Pulmonary Fibrosis. 2005.
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