Does obesity matter in patients receiving venoarterial extracorporeal membrane oxygenation? The U-shaped relationship between body mass index and mortality after extracorporeal cardiopulmonary resuscitation. - Pai CH; Hsu JC; Lin LY; Wang CH; Wei LY; Chi NH; Huang SC; Yu HY; Chou NK; Hsu RB; Chen YS (Surgery, 2025)