title: [Usefulness of the effective thyroxine and thyrotropin index in the evaluation of thyroid function in critical patients].
mesh_terms: D000328:Adult; D000368:Aged; D003422:Critical Care; D006801:Humans; D008875:Middle Aged; D013960:Thyroid Function Tests; D013972:Thyrotropin / Q000097:blood*; D013973:Thyrotropin-Releasing Hormone; D013974:Thyroxine / Q000097:blood*
chemical_list: D013973:Thyrotropin-Releasing Hormone; D013972:Thyrotropin; D013974:Thyroxine
vernacular_title: Utilidad del índice de tiroxina efectiva y de la tirotropina en la valoración de la función tiroidea en pacientes críticos.