Background: Colorectal cancer (CRC) screening via colonoscopy is now advised for most adults beginning at age 45 years, an update from the earlier recommendation of age 50 years. With the increase in CRC screening rates, it is crucial to examine how mortality rates have changed over time. The aim of this study is to identify trends and regional differences in CRC mortality over the last two decades, specifically in individuals within the CRC recommended screening age group.
View Article and Find Full Text PDFThe Goddard Earth Observing System composition forecast (GEOS-CF) system is a high-resolution (0.25°) global constituent prediction system from NASA's Global Modeling and Assimilation Office (GMAO). GEOS-CF offers a new tool for atmospheric chemistry research, with the goal to supplement NASA's broad range of space-based and in-situ observations.
View Article and Find Full Text PDFObjectives: To describe the published literature on EBM curricula for physicians in training and barriers during curriculum implementation.
Methods: We performed a systematic search and review of the medical literature on PubMed, Embase, ERIC, Scopus and Web of Science from the earliest available date until September 4, 2019.
Results: We screened 9,042 references and included 29 full-text studies and 14 meeting abstracts.
Malignant melanoma demonstrates the highest rate of cardiac metastases. The incidence of melanoma is rising. The prognosis of people with advanced melanoma is generally poor.
View Article and Find Full Text PDFNASA's Goddard Earth Observing System (GEOS) Earth System Model (ESM) is a modular, general circulation model (GCM), and data assimilation system (DAS) that is used to simulate and study the coupled dynamics, physics, chemistry, and biology of our planet. GEOS is developed by the Global Modeling and Assimilation Office (GMAO) at NASA Goddard Space Flight Center. It generates near-real-time analyzed data products, reanalyses, and weather and seasonal forecasts to support research targeted to understanding interactions among Earth System processes.
View Article and Find Full Text PDFAircraft observations and ozonesonde profiles collected on July 14 and 27, 2011, during the Maryland month-long DISCOVER-AQ campaign, indicate the presence of stratospheric air just above the planetary boundary layer (PBL). This raises the question of whether summer stratospheric intrusions (SIs) elevate surface ozone levels and to what degree they influence background ozone levels and contribute to ozone production. We used idealized stratospheric air tracers, along with observations, to determine the frequency and extent of SIs in Maryland during July 2011.
View Article and Find Full Text PDFObjective: To determine the pattern and characteristics of palliative care (PC) consultations in patients with stroke and compare them with the characteristics of nonstroke consultations.
Methods: The palliative care program at Strong Memorial Hospital (SMH) was established in October 2001. SMH is a 765-bed academic medical center with approximately 38,000 discharges.
Objective: The ambulatory blood pressure (ABP) monitoring substudy of the Valsartan Antihypertensive Long-term Use Evaluation (VALUE) trial was carried out in a subset of patients from USA, Italy and Denmark. ABP was measured after 1 year in the trial, with the aim of evaluating comparability of ABP levels on valsartan (VAL) and amlodipine (AML)-based regimens.
Methods: ABP was measured every 20 min during a 25-h period after morning administration of medicine; 659 patients were available for intention-to-treat analysis.
Mass is the most fundamental parameter of a star, yet it is also one of the most difficult to measure directly. In general, astronomers estimate stellar masses by determining the luminosity and using the 'mass-luminosity' relationship, but this relationship has never been accurately calibrated for young, low-mass stars and brown dwarfs. Masses for these low-mass objects are therefore constrained only by theoretical models.
View Article and Find Full Text PDFBecause rapeseed, especially canola, has the potential to be grown in rotation with sugarbeet in the north-central region of the United States, this study was initiated to assess its susceptibility to infection by Heterodera schachtii and to develop a screening method for Brassica germplasm. Existing methodology was adapted for growing Brassica juncea, B. napus, B.
View Article and Find Full Text PDFPrevious field studies of recruitment in Pastinaca sativa L. indicate that more seedlings from small seeds than from large seeds survive short-term droughts. To explore this phenomenon, the effects of variation in seed biomass in Pastinaca sativa on embryo size and seedling characteristics 10, 20, 30 and 40 days after emergence were investigated.
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