Name Info Provider Link
free resource Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0002-9165(22)03538-9
Nutritional Support free resource MedlinePlus Health Information https://medlineplus.gov/nutritionalsupport.html
subscription/membership/fee required Silverchair Information Systems https://academic.oup.com/ajcn/article-lookup/doi/10.1093/ajcn/80.2.460