Groedel, F. M. (1946). The venous pulse and its graphic recording. Brooklyn medical press.
Lua i Stíl Chicago (17ú heag.)Groedel, Franz Maximilian. The Venous Pulse and Its Graphic Recording. New York, N. Y.: Brooklyn medical press, 1946.
Lua MLA (8ú heag.)Groedel, Franz Maximilian. The Venous Pulse and Its Graphic Recording. Brooklyn medical press, 1946.
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