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Who published On the Revolutions of the Heavenly Spheres and rejected the notion of an earth-centered universe?
Urine samples
Specimens of urine collected for medical testing to analyze the content and properties, often used to detect diseases or drug use.
Laxative
A laxative is a medication or substance used to stimulate bowel movements, often used to treat constipation.
Capillary puncture
A procedure in which a small amount of blood is obtained via a puncture in the skin for testing, commonly performed on the fingertip or earlobe.
Fragile veins
Refers to veins that are more susceptible to damage or bruising, often due to medical conditions or aging.
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