Content experts frequently are used in the judgment‐quantification stage of content validation
of instruments. However, errors in instrumentation may arise when important steps in …

Plant secondary metabolites are unique sources for pharmaceuticals, food additives, flavors,
and other industrial materials. Accumulation of such metabolites often occurs in plants …

Campylobacter jejuni is a foodborne bacterial pathogen that is common in the developed
world. However, we know less about its biology and pathogenicity than we do about other less …

The genetic make-up of an individual contributes to the susceptibility and response to viral
infection. Although environmental, clinical and social factors have a role in the chance of …

… The perpendicular distance l from the origin to the ray that intersects the detector plane at Y
… The final form in terms of the coordinates (l, θ) is obtained by noting first that the density is, of …

Pilot studies represent a fundamental phase of the research process. The purpose of conducting
a pilot study is to examine the feasibility of an approach that is intended to be used in a …

Objective. —To determine whether a nutritional supplement of selenium will decrease the
incidence of cancer. Design. —A multicenter, double-blind, randomized, placebo-controlled …

In this highly original study of the cultural assumptions governing our conception of people
with disabilities, Lennard J. Davis argues forcefully against “ableist” discourse and for a …

Objective. —To determine whether a program incorporating smoking intervention and use
of an inhaled bronchodilator can slow the rate of decline in forced expiratory volume in 1 …

Background The incidence and severity of herpes zoster and postherpetic neuralgia increase
with age in association with a progressive decline in cell-mediated immunity to varicella–…