Twenty-five thousand years ago, sea level fell more than 400 feet below its present position as a consequence of the growth of immense ice sheets in the Northern Hemisphere. A dry plain stretching 1,000 miles from the Arctic Ocean to the Aleutians became exposed between northeast Asia and Alaska, and across that plain, most likely, walked the first people of the New World. This book describes what is known about these people and the now partly submerged land, named Beringia, which they settled during the final millennia of the Ice Age. Humans first occupied Beringia during a twilight...
Twenty-five thousand years ago, sea level fell more than 400 feet below its present position as a consequence of the growth of immense ice sheets in t...
In this greatly enlarged and thoroughly updated edition of his much praised Cardiac Markers, Alan Wu and his contributors focus on the use of markers in the practice of cardiology and-for the first time-on the use of natriuretic peptides for congestive heart failure. Here, leading international authorities in clinical chemistry and laboratory medicine, cardiology, emergency medicine, and the in vitro diagnostics industry describe the state-of-the-art uses of cardiac markers when treating coronary artery disease, and discuss in detail how they may be optimally used in a clinical setting....
In this greatly enlarged and thoroughly updated edition of his much praised Cardiac Markers, Alan Wu and his contributors focus on the use of markers ...
