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  1. <Medical Topics
    Nutrition
    Nutrition: General Considerations
    • Overview of Nutrition
      • Macronutrients
      • Carbohydrates
        • Fiber
      • Proteins
      • Fats
      • Macrominerals
      • Water
      • Macronutrients references
      • Micronutrients
      • Other Dietary Substances
      • Processed Foods, Organic Foods, and Bioengineered or Genetically Modified Foods
        • Processed foods
        • Organic foods
        • Bioengineered or genetically modified foods
        • Micronutrients references
    • Nutritional Requirements
      • Reference
    • Nutrition in Clinical Medicine
      • Evaluation of Nutritional Status
    • Nutrient-Drug Interactions
    • Food Additives and Contaminants
      • Additives
      • Contaminants
    Mineral Deficiency and Toxicity
    • Wilson Disease
      • References
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
        • Kayser-Fleischer rings
        • Ceruloplasmin
        • Serum copper
        • Urinary copper excretion
        • Liver biopsy
        • Screening for Wilson disease
        • Diagnosis reference
      • Treatment
        • Treatment reference
      • Prognosis
      • Key Points
    • Chromium Toxicity
      • Reference
    • Copper Toxicity
      • Treatment
    • Fluorine Toxicity
      • Reference
    • Iodine Toxicity
    • Iron Toxicity
    • Manganese Toxicity
    • Molybdenum Toxicity
      • References
    • Selenium Toxicity
    • Zinc Toxicity
    • Overview of Minerals
      • Reference
      • More Information
    • Chromium Deficiency
      • Reference
    • Copper Deficiency
      • Acquired Copper Deficiency
      • Inherited Copper Deficiency (Menkes Syndrome)
        • Symptoms and Signs
        • Diagnosis
        • Treatment
        • Reference
    • Fluorine Deficiency
    • Iodine Deficiency
      • Treatment reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
    • Iron Deficiency
      • General references
    • Manganese Deficiency
      • Reference
    • Molybdenum Deficiency
      • Reference
    • Selenium Deficiency
      • References
    • Zinc Deficiency
      • Acrodermatitis enteropathica
      • Reference
    Nutritional Support
    • Overview of Nutritional Support
      • General references
      • Predicting Nutritional Requirements
        • Energy expenditure
        • Protein requirements
        • Requirements references
      • Assessing Response to Nutritional Support
        • Assessing response reference
      • Key Points
    • Enteral Nutrition
      • General reference
      • Enteral Tube Types and Placements
      • Formulas for Enteral Nutrition
      • Administration of Enteral Nutrition
      • Complications of Enteral Nutrition
      • Key Points
    • Parenteral Nutrition (PN)
      • Indications for Parenteral Nutrition
        • Indications reference
      • Nutritional Requirements and Formula Content
      • Solutions for Parenteral Nutrition
        • Solutions references
      • Administration of Parenteral Nutrition
        • Administration reference
      • Monitoring of Parenteral Nutrition
      • Complications of Parenteral Nutrition
        • Complications reference
      • Key Points
    • Nutritional Support for Patients Who Are Dying or Have Severe Dementia
    Undernutrition
    • Overview of Undernutrition
      • General reference
      • Risk Factors for Undernutrition
        • Infancy and childhood
        • Pregnancy and breastfeeding
        • Older adults
        • Disorders and medical procedures
        • Vegetarian and vegan diets
        • Fad diets
        • Medications and nutritional supplements
        • Alcohol or substance dependency
        • Risk factor references
      • Symptoms and Signs
      • Evaluation
        • History
        • Physical examination
        • Testing
        • Evaluation references
      • More Information
    • Protein-Energy Undernutrition (PEU)
      • General references
      • Classification and Etiology
        • Primary PEU
        • Secondary PEU
      • Pathophysiology
      • Symptoms and Signs
        • Symptoms and signs references
      • Diagnosis
      • Treatment
        • Children
        • Adults
        • Complications of treatment
        • Treatment reference
      • Prognosis
        • Children
        • Adults
      • Key Points
    • Essential Fatty Acid Deficiency
    Vitamin Deficiency, Dependency, and Toxicity
    • Niacin Toxicity
      • Reference
    • Vitamin A Toxicity
      • References
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Prognosis
      • Key Points
    • Vitamin B6 Toxicity
      • Diagnosis
      • Treatment
    • Vitamin C Toxicity
    • Vitamin D Toxicity
      • Physiology
        • Physiology references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
    • Vitamin E Toxicity
      • References
    • Vitamin K Toxicity
    • Overview of Vitamins
      • Reference
    • Biotin and Pantothenic Acid
    • Folate Deficiency
      • References
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Key Points
    • Niacin Deficiency
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
    • Riboflavin Deficiency
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
    • Thiamin Deficiency
      • Etiology
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
    • Vitamin A Deficiency
      • References
      • Etiology
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
      • Treatment
        • Reference
      • Prevention
      • Key Points
    • Vitamin B6 Deficiency and Dependency
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
    • Vitamin B12 Deficiency
      • Etiology
      • Symptoms and Signs
      • Diagnosis
        • Schilling test
      • Treatment
      • Key Points
    • Vitamin C Deficiency
      • Etiology
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Prevention
      • Key Points
    • Vitamin D Deficiency and Dependency
      • Physiology
        • Physiology references
      • Etiology
        • Inadequate exposure or intake
        • Reduced absorption
        • Abnormal metabolism
        • Resistance to effects of vitamin D
      • Symptoms and Signs
      • Diagnosis
        • Radiographs
        • Laboratory tests
      • Treatment
      • Prevention
        • Screening
      • Key Points
    • Vitamin E Deficiency
      • References
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Prevention
      • Key Points
    • Vitamin K Deficiency
      • Physiology
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Prevention
      • Prevention reference
      • Key Points
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