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Paleocene deposits have yielded the earliest known loons, cormorants, New
World vultures, and gulls. In addition, the large, flightless predatory birds
culminating in Di- atryma first made their appearance during this period. From the
far richer ...
Fossil only; lower Oligocene to lower Miocene; North America; eight species
known. ^Family Eogruidae. Fossil only; upper Eocene to upper Miocene; eastern
Asia; two species known. Family Gruidac (cranes). Lower Eocene to present.
If red cells have adsorbed antibody globulin onto their surfaces, the antibody can
sometimes be recovered by a process known as elution. One simple way of
eluting (dissociating) antibody from washed red cells is to heat them at 56° C (
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