a) Why is the first step to centrifuge the whole blood samples from the patients? b)What is PBS and why is it used? c)Why is the serum diluted three times? d)What is the positive control?

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Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.