Lindsay, T. (1922). THE RECOGNITION OF AORTIC INCOMPETENCE.
शिकागो स्टाइल उद्धरणLindsay, Thomas. THE RECOGNITION OF AORTIC INCOMPETENCE. 1922.
एमएलए उद्धरणLindsay, Thomas. THE RECOGNITION OF AORTIC INCOMPETENCE. 1922.
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