Swischuk, L. E. (1979). Plain film Interpretation in congenital heart disease.
Lua i Stíl Chicago (17ú heag.)Swischuk, Leonard E. Plain Film Interpretation in Congenital Heart Disease. 1979.
Lua MLA (9ú heag.)Swischuk, Leonard E. Plain Film Interpretation in Congenital Heart Disease. 1979.
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