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Platycnemididae are a family of damselfly called white-legged damselflies.
Renal calculi (stones) can form in several areas within the urinary tract. When they form in the kid
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event
Arthroscopic surgery. In this illustration, the knee joint is undergoing surgery with a specialized
Cancer cells can move to new locations in the body, a process called metastasis