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Long-term treatment with oral N-acetylcysteine: affects lung function but not sputum inflammation in cystic fibrosis subjects

Organic Acid Testing is a non-invasive urine test that measures organic acids, intermediate compounds produced during metabolism in the citric acid cycle (Krebs cycle), fatty acid oxidation, and amino acid catabolism

For researchers exploring multiple options, understanding these differences helps in designing rational protocols

The HC did not fulfill the exclusion criteria above, were devoid of chronic pain, and did not take regular sleep medication, antidepressants, NSAIDs, analgesics, or anticonvulsants