Safety and efficacy of Single-Pass Albumin Dialysis (SPAD), Prometheus, and Molecular Adsorbent Recycling System (MARS) liver haemodialysis vs. Standard Medical Therapy (SMT): meta-analysis and systematic review - Eyad Gadour; Mohammed Abdullah Kaballo; Khalid Shrwani; Zeinab Hassan; Ahmed Kotb; Ahmed Aljuraysan; Bogdan Miuţescu; Nouf Sherwani; Waleed Mahallawi (Gastroenterology Review)