Using a tiny, spherical glass lens sandwiched between two brass plates, the 17th-century Dutch microscopist Antonie van Leeuwenhoek was the first to officially describe red blood cells and sperm cells ...
Verywell Health on MSN
Understanding the ANA blood test (antinuclear antibody test)
Medically reviewed by Anita C. Chandrasekaran, MD Key Takeaways An ANA blood test is used to find antinuclear antibodies that can be linked to autoimmune diseases.The test shows a positive result if ...
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