There is now strong epidemiological evidence that estrogen replacement therapy has a
protective effect in postmenopausal women. The cardiovascular protective action of …

The exact pathomechanism responsible for osteoarthritis (OA) of the nondysplastic hip has
remained unknown for many years. There is, however, emerging clinical evidence …

We evaluated the concentrations of chromium and cobalt ions in blood after metal-on-metal
surface replacement arthroplasty using a wrought-forged, high carbon content chromium …

Substantially revised and updated the second edition of this highly acclaimed text is both a
vital guide and a valuable critical analysis. The book provides a contemporary comparative …

Disturbances are important for renewal of North American forests. Here we summarize more
than 180 site years of eddy covariance measurements of carbon dioxide flux made at forest …

Background: Although numerous methods of postoperative analgesia have been
investigated in an attempt to improve pain control after total knee arthroplasty, parenteral …

Autotrophic respiration (Ra) in forest ecosystems can be> 50% of the carbon fixed in
photosynthesis and may regulate productivity and carbon storage in forest ecosystems …

During the growing season, nighttime ecosystem respiration emits 30–100% of the daytime
net photosynthetic uptake of carbon, and therefore measurements of rates and …

Although it is well known that the tolerance of the liver to external beam irradiation depends
on the volume of liver irradiated, few data exist which quantify this dependence. Therefore, a …

Rising atmospheric carbon dioxide (CO2) conditions are driving unprecedented changes in
seawater chemistry, resulting in reduced pH and carbonate ion concentrations in the Earth's …