Callen, J. P., & Meckler, R. J. Neurocutaneous disorders.
Lua i Stíl Chicago (17ú heag.)Callen, Jeffrey P., agus Roy J. Meckler. Neurocutaneous Disorders.
Lua MLA (8ú heag.)Callen, Jeffrey P., agus Roy J. Meckler. Neurocutaneous Disorders.
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