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Cataract extraction. The procedure involves a surgical removal of a cataract lens and its replacemen
Cerebral angiography. The four angiograms each reveal the distribution of blood vessels supplying th
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Although Neandertal brain sizes fall well within the modern human range, their EQ is lower than mode
Before the advent of vaccinations and antibiotics, infectious diseases such as cholera were the scou
Indigenous Populations