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Correlation among the B-lines score, the serum level of KL-6 and Warrick score
(A) Correlation of B-lines score and the serum level of KL-6; (B) correlation of B-lines score and Warrick score; (C) correlation of the serum level of KL-6 and Warrick score. KL-6: Krebs von den Lungen-6.
