Purpose. The purpose of this pilot study was to determine if a difference existed between
nosocomial pneumonia rates for intubated critical care unit (CCU) patients who received twice-…

Bed rest, both with and without head-down tilt, has been extensively used as an earth-bound
analog to study physiologic effects mimicking those occurring in weightlessness during …

Pulsed electric fields (PEFs) above a certain voltage threshold cause electroporation for
microsecond pulses and intracellular effects for submicrosecond pulses. Models describing …

The purine metabolic enzymes adenosine deaminase (ADA) and purine nucleoside
phosphorylase (PNP) are important in lymphocyte differentiation, and genetic deficiencies of either …

To investigate the occurrence of West Nile virus (WNV) and Eastern equine encephalitis
virus (EEE) in southeastern Virginia, the Bureau of Laboratories at the Norfolk Department of …

Background Several previous studies indicated that exercise during prebreathe with 100%
O2 decreased the incidence of hypobaric decompression sickness (DCS). We report a meta-…

The predominant cultivable bacteria in the supra-gingival plaque of Old World monkeys
were similar to those in human plaque. A significant inter-animal species difference was …

The presence of intracellular cytoplasmic immunoglobulin M (IgM) in leukemic cells from
patients with acute lymphocytic leukemia (ALL) and chronic lymphocytic leukemia (CLL) was …

Natural killer cell cytotoxicity (NKC) is a nonspecific, primary immunodefense system active
against a variety of pathogens, including herpes simplex virus (HSV). Evidence suggests that …

To develop and test a 2-hour prebreathe protocol for performing extravehicular activities (EVAs)
from the International Space Station (ISS). Combinations of adynamia (non-walking), …