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pro vyhledávání: '"Helen S. Dempster"'
Publikováno v:
Arthritis & Rheumatism. 44:1768-1774
Objective The Childhood Health Assessment Questionnaire (CHAQ) is the most widely used measure of function in childhood arthritis and yields a score of 0 (no disability) to 3 (very severe disability). This study ascertained the cutoff levels for CHAQ
Publikováno v:
Environmental Science & Technology. 33:190-194
Petroleum products and industrial solvents are among the most ubiquitous contaminants of soil and groundwater and the source of several common and hazardous volatile organic chemicals (VOCs). Volatilization is a key determinant of the fate of VOCs in
Publikováno v:
Environmental Science & Technology. 31:3193-3197
The low concentrations (ppm to ppb) typical of organic pollutants dissolved in groundwater have been a major factor limiting the application of stable isotope tracing techniques at contaminated field sites. In this study, pentane extraction of benzen