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The horizontal fraction bar was introduced by the Arabs.
The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.