Vierra sign

Vi·er·ra sign

(vē-er'ah),
yellowing and canalization of the nail in fogo selvagem.

Vi·er·ra sign

(vē-er'ă sīn)
Yellowing and canalization of the nail in the disorder fogo selvagem.

Vierra,

J.P., 20th century Brazilian dermatologist.
Vierra sign - yellowing and canalization of the nail.
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