Modern birds are typified by the presence of feathers, complex evolutionary innovations that
were already widespread in the group of theropod dinosaurs (Maniraptoriformes) that …

Background—Postoperative thromboembolic stroke affects 2% to 3% of patients undergoing
carotid endarterectomy (CEA) and is preceded by 1 to 2 hours of increasing cerebral …

Background Patients with abdominal aortic aneurysms (AAAs) exhibit arterial dilation and
altered matrix composition throughout the vasculature. Matrix metalloproteinase-2 (MMP-2) …

Cretaceous polar dinosaur faunas were taxonomically diverse, which suggests varied
strategies for coping with the climatic stress of high latitudes. Some polar dinosaurs …

Agnes Arber's international reputation is due in part to her exceptional ability to interpret the
German tradition of scholarship for the English-speaking world. The Mind and the Eye is an …

The central theme of Green Plants, first published in 2000, is the astonishing diversity of
forms found in the plant kingdom, from the simplicity of prokaryotic algae to the myriad …

The Frankfurt specimen of the early-branching ceratopsian dinosaur Psittacosaurus is
remarkable for the exquisite preservation of squamous (scaly) skin and other soft tissues that …

The nasal region plays a key role in sensory, thermal, and respiratory physiology, but
exploring its evolution is hampered by a lack of preservation of soft‐tissue structures in …

Stem cell transplants into damaged myocardium may have the potential to improve cardiac
function. We investigated the safety of transplanting unmanipulated autologous bone …

This trial was undertaken to examine the safety and efficacy of four-layer compared with
short stretch compression bandages for the treatment of venous leg ulcers within the …