Roos, J. C. (1977). Cardiac conduction defects: A clinical, electrophysiological and pharmacological study. Drukkerij Mercurius B.V..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoos, Julius Calmer. Cardiac Conduction Defects: A Clinical, Electrophysiological and Pharmacological Study. Amsterdam: Drukkerij Mercurius B.V., 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRoos, Julius Calmer. Cardiac Conduction Defects: A Clinical, Electrophysiological and Pharmacological Study. Drukkerij Mercurius B.V., 1977.
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