Penman, I. D., Ralston s.h, & M.W.J.Strachan. (2022). Davidson's Principles and Practice of Medicine Vul-3 (24th ed.). Elsevier.
Lua i Stíl Chicago (17ú heag.)Penman, Ian D., Ralston s.h, agus M.W.J.Strachan. Davidson's Principles and Practice of Medicine Vul-3. 24th ed. Edinburgh: Elsevier, 2022.
Lua MLA (9ú heag.)Penman, Ian D., et al. Davidson's Principles and Practice of Medicine Vul-3. 24th ed. Elsevier, 2022.
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