long standing melanotic stools Black-colored stool (melena) may indicate upper gastrointestinal bleeding or conditions like gastric ulcers. Persistent black should not be ignored and require immediate medical evaluation. #Melena #BlackStool #GIHealth #MedicalAwareness Replying to @JackieβοΈπ€ blood in
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[DOI] [PubMed] [Google Scholar] 489
1976, Carnitine concentration in relation to enzyme activities and substrate utilization in human skeletal muscle , Scand
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The vascularity, the blood haemoglobin concentration, the degree of keratinization of the epithelium, and the type and amount of melanin pigment present are variable determinants of the colour of the oral mucosa
