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Author Question: According to Shaw and McKay's statistical analysis, in which concentric zones were the highest rates ... (Read 66 times) |
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Approximately 25% of all reported medication errors result from some kind of name confusion.