Traditionally, ventilatory limitation (constraint) during exercise has been determined by
measuring the ventilatory reserve or how close the minute ventilation ( e) achieved during …

Objective To characterize the pulmonary hemodynamics and identify predictors of pulmonary
hypertension in a group of patients before liver transplantation and to determine whether …

The Miocene sediments of the southeastern United States contain commercial deposits of
palygorskite-sepiolite and phosphate. These minerals, in addition to carbonates, opal-…

The objective of this study was to determine the limits for repeatability of FEV 1 , FVC, and PEF
during spirometry test sessions in adult outpatients. A retrospective chart review of 18,000 …

Rationale and Objectives. Efforts to establish a quantitative approach to the computed
tomography (CT)-based characterization of the lung parenchyma in interstitial lung disease (…

IN natural waters throughout the world 1 , iron concentrations are commonly several orders
of magnitude greater than the equilibrium solubility of iron hydroxide 2 . Highly coloured …

In a comprehensive study of the distribution of organic and inorganic constituents in natural
waters, the chemical compositions of several rivers flowing through the Coastal Plain of …

An open-circuit (OpCirc) acetylene uptake cardiac output (Qt) method was modified for use
during exercise. Two computational techniques were used. OpCirc1 was based on the …

Proctor, David N., Kenneth C. Beck, Peter H. Shen, Tamara J. Eickhoff, John R. Halliwill, and
Michael J. Joyner. Influence of age and gender on cardiac output-Vo 2 relationships during …

We examined the degree of ventilatory constraint in patients with a history of chronic heart
failure (CHF; n = 11; mean ± SE age, 62 ± 4 years; cardiac index [CI], 2.0 ± 0.1; and ejection …