Monotherapy or combinations? Intravenous vitamin C in sepsis and septic shock: An umbrella review of 31 systematic reviews - Víctor Juan Vera-Ponce; Jhosmer Ballena-Caicedo; Lupita Ana Maria Valladolid-Sandoval; Fiorella E. Zuzunaga-Montoya; Renzo Acosta-Porzoliz; Oriana Rivera-Lozada; Mario J. Valladares-Garrido (PLoS ONE, 2026)