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Hartmann's mountain zebra resting, showing its characteristic essentially unbarred belly
Myopia (nearsightedness). In the uncorrected top figure, the image comes into focus in front of the
Man undergoing a stress test on a treadmill while physician monitors his condition
Cholelithiasis. Common sites of gallstones in the generalized condition. (a) Stones in the hepatic d
Intussusception. The condition is caused by an infolding of the small intestine, which often causes
Bureaucracies have their dysfunctions and can be slow and even stifling. Most, however, are highly ...