Christie, R. V. (1939). Chronic Hypertrophic Emphysema. Its Ætiology and the Cause of Some of Its Signs and Symptoms. Edinb Med J.
শিকাগো স্টাইলে সাইটেশনChristie, Ronald V. "Chronic Hypertrophic Emphysema. Its Ætiology and the Cause of Some of Its Signs and Symptoms." Edinb Med J 1939.
এমএলএ সাইটেশনChristie, Ronald V. "Chronic Hypertrophic Emphysema. Its Ætiology and the Cause of Some of Its Signs and Symptoms." Edinb Med J 1939.
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