Keats, T. E. (1992). Atlas of Normal Roentgen Variants That May Simulate Disease.
Lua i Stíl Chicago (17ú heag.)Keats, Theodore E. Atlas of Normal Roentgen Variants That May Simulate Disease. 1992.
Lua MLA (9ú heag.)Keats, Theodore E. Atlas of Normal Roentgen Variants That May Simulate Disease. 1992.
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