Database	Span of Search	Search strategy
Cochrane Hepato‐Biliary Group Controlled Trials Register	January 18, 2012	(alimentation OR 'branched chain amino acids' OR BCAA OR 'Dietary disorder*' OR 'Enteral nutrition' OR Enterostom* OR 'Fat emulsion' or 'formulated food*' OR Gastrostom* OR Hyperalimentation* OR 'Hypocaloric alimentation*' OR 'Hypocaloric nutrition' OR 'Intragastric feed*' OR 'Intragastric nutrition' OR Nutrition OR 'Nutrition diseases' OR 'Nutrition disorders' OR 'Nutrition supplement*' OR 'Parenteral nutrition' OR 'Percutaneous endoscopic gastrostom*' OR 'Peripheral parenteral nutrition' OR 'Permissive underfeeding' OR 'Post‐pyloric feeding' OR 'Post‐pyloric nutrition' OR 'Protein hydrolysate' OR 'Supplemental feed*' OR 'Total parenteral nutrition') AND ('Alcoholic liver disease*' OR Ascites OR Cirrhosis OR 'Esophageal varic*' OR Hepat* OR Liver OR Varic*)
Cochrane Central Register of Controlled Trials (CENTRAL) in The Cochrane Library	Issue 4, 2011	#1 MeSH descriptor Feeding Methods explode all trees #2 MeSH descriptor Nutrition Therapy explode all trees #3 MeSH descriptor Enterostomy explode all trees #4 MeSH descriptor Fat Emulsions, Intravenous explode all trees #5 MeSH descriptor Food, Formulated explode all trees #6 MeSH descriptor Gastrostomy explode all trees #7 MeSH descriptor Nutrition Disorders explode all trees #8 MeSH descriptor Protein Hydrolysates explode all trees #9 alimentation OR branched chain amino acids OR BCAA OR Dietary disorder* OR Enteral nutrition OR Enterostom* OR Fat emulsion or formulated food* OR Gastrostom* OR Hyperalimentation* OR Hypocaloric alimentation* OR Hypocaloric nutrition OR Intragastric feed* OR Intragastric nutrition OR Nutrition OR Nutrition diseases OR Nutrition disorders OR Nutrition supplement* OR Parenteral nutrition OR Percutaneous endoscopic gastrostom* OR Peripheral parenteral nutrition OR Permissive underfeeding OR Post‐pyloric feeding OR Post‐pyloric nutrition OR Protein hydrolysate OR Supplemental feed* OR Total parenteral nutrition #10 (#1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9) #11 MeSH descriptor Liver Diseases explode all trees #12 MeSH descriptor Fibrosisexplode all trees #13 MeSH descriptor Ascitesexplode all trees #14 MeSH descriptor Liver Transplantation explode all trees #15 MeSH descriptor Varicose Veins explode all trees #16 Alcoholic liver disease* OR Ascites OR Cirrhosis OR Esophageal varic* OR Hepat* OR Liver OR Varic* #17 (#11 OR #12 OR #13 OR #14 OR #15 OR #16) #18 (#10 AND #17)
MEDLINE (Ovid SP)	1948 to January 18, 2012	1. exp Feeding Methods/ 2. exp Nutrition Therapy/ 3. exp Enterostomy/ 4. exp Fat Emulsions, Intravenous/ 5. exp Food, Formulated/ 6. exp Gastrostomy/ 7. exp Nutrition Disorders/ 8. exp Protein Hydrolysates/ 9. (alimentation or branched chain amino acids or BCAA or Dietary disorder$ or Enteral nutrition or Enterostom$ or Fat emulsion or formulated food$ or Gastrostom$ or Hyperalimentation$ or Hypocaloric alimentation$ or Hypocaloric nutrition or Intragastric feed$ or Intragastric nutrition or Nutrition or Nutrition diseases or Nutrition disorders or Nutrition supplement$ or Parenteral nutrition or Percutaneous endoscopic gastrostom$ or Peripheral parenteral nutrition or Permissive underfeeding or Post‐pyloric feeding or Post‐pyloric nutrition or Protein hydrolysate or Supplemental feed$ or Total parenteral nutrition).mp. [mp=title, original title, abstract, name of substance word, subject heading word] 10. 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 11. exp Liver Diseases/ 12. exp Fibrosis/ 13. exp Ascites/ 14. exp Liver Transplantation/ 15. exp Varicose Veins/ 16. (Alcoholic liver disease$ or Ascites or Cirrhosis or Esophageal varic$ or Hepat$ or Liver or Varic$).mp. [mp=title, original title, abstract, name of substance word, subject heading word] 17. 11 or 16 or 13 or 12 or 15 or 14 18. 10 and 17 19. (random$ or blind$ or placebo$ or meta‐analysis).mp. [mp=title, original title, abstract, name of substance word, subject heading word] 20. 18 and 19
EMBASE (Ovid SP)	From 1980 to January 18, 2012	1. exp Diet Therapy/ 2. exp Artificial Feeding/ 3. exp Enterostomy/ 4. exp Lipid Emulsion/ 5. exp Gastrostomy/ 6. exp Nutrition/ 7. exp Nutritional Disorder/ 8. exp Diet Supplementation/ 9. exp Percutaneous Endoscopic Gastrostomy/ 10. exp Protein Hydrolysate/ 11. (alimentation or branched chain amino acids or BCAA or Dietary disorder$ or Enteral nutrition or Enterostom$ or Fat emulsion or formulated food$ or Gastrostom$ or Hyperalimentation$ or Hypocaloric alimentation$ or Hypocaloric nutrition or Intragastric feed$ or Intragastric nutrition or Nutrition or Nutrition diseases or Nutrition disorders or Nutrition supplement$ or Parenteral nutrition or Percutaneous endoscopic gastrostom$ or Peripheral parenteral nutrition or Permissive underfeeding or Post‐pyloric feeding or Post‐pyloric nutrition or Protein hydrolysate or Supplemental feed$ or Total parenteral nutrition).mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer name] 12. 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 13. exp Liver Disease/ 14. exp Ascites/ 15. exp Esophagus Varices/ 16. exp Hepatic Encephalopathy/ 17. exp Liver Cancer/ 18. exp Liver Failure/ 19. exp Liver Transplantation/ 20. exp Liver/ 21. (Alcoholic liver disease$ or Ascites or Cirrhosis or Esophageal varic$ or Hepat$ or Liver or Varic$).mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer name] 22. 21 or 17 or 20 or 15 or 14 or 18 or 13 or 16 or 19 23. 22 and 12 24. (random$ or blind$ or placebo$ or meta‐analysis).mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer name] 25. 24 and 23
Science Citation Index Expanded (http://portal.isiknowledge.com/portal.cgi?DestApp=WOS&Func=Frame)	From 1900 to January 18, 2012	# 4 (#3 AND #2 AND #1) # 3 TS=(random* OR blind* OR placebo* OR meta‐analysis) # 2 TS=('Alcoholic liver disease*' OR Ascites OR Cirrhosis OR 'Esophageal varic*' OR Hepat* OR Liver OR Varic*) # 1TS=(alimentation OR 'branched chain amino acids' OR BCAA OR 'Dietary disorder*' OR 'Enteral nutrition' OR Enterostom* OR 'Fat emulsion' or 'formulated food*' OR Gastrostom* OR Hyperalimentation* OR 'Hypocaloric alimentation*' OR 'Hypocaloric nutrition' OR 'Intragastric feed*' OR 'Intragastric nutrition' OR Nutrition OR 'Nutrition diseases' OR 'Nutrition disorders' OR 'Nutrition supplement*' OR 'Parenteral nutrition' OR 'Percutaneous endoscopic gastrostom*' OR 'Peripheral parenteral nutrition' OR 'Permissive underfeeding' OR 'Post‐pyloric feeding' OR 'Post‐pyloric nutrition' OR 'Protein hydrolysate' OR 'Supplemental feed*' OR 'Total parenteral nutrition')
Clinicaltrials.gov	November 14, 2011	'Liver disease" AND 'Nutrition'