Association of Serum KL-6 With Mortality in Patients With Acute Respiratory Distress Syndrome (ARDS) Requiring Extracorporeal Membrane Oxygenation (ECMO): A Multicenter Retrospective Cohort Study. - Wada K; Bunya N; Ohnishi H; Nakayama R; Hagiwara Y; Nishikimi M; Ohshimo S; Shime N; Narimatsu E (ASAIO journal (American Society for Artificial Internal Organs : 1992), 2026)