Results 51 to 60 of about 50,799,135 (318)
Sampling biases shape our view of the natural world
Ecography, 2020 Spatial patterns of biodiversity are inextricably linked to their collection methods, yet no synthesis of bias patterns or their consequences exists. As such, views of organismal distribution and the ecosystems they make up may be incorrect, undermining ...
Alice C Hughes +8 more
semanticscholar +1 more source
BMC Medical Research Methodology, 2019 Background Studies elucidating health-related information and special needs of Syrian migrants living in Germany are urgently required. However, data is scarce and finding appropriate sampling strategies to obtain representative results is challenging ...
Tobias Weinmann +5 more
doaj +1 more source
A soil sampling program for the Netherlands [PDF]
, 2007 Soil data users in The Netherlands were inventoried for current and future data needs. Prioritized data needs were used to design the Netherlands Soil Sampling Program (NSSP) as a framework containing 3 groups of related projects: map upgrading, map ...
DE GRUIJTER, JJ +2 more
core +3 more sources
Sickle Cell Disease Is an Inherent Risk for Asthma in a Sibling Comparison Study
Pediatric Blood &Cancer, EarlyView.ABSTRACT Introduction Sickle cell disease (SCD) and asthma share a complex relationship. Although estimates vary, asthma prevalence in children with SCD is believed to be comparable to or higher than the general population. Determining whether SCD confers an increased risk for asthma remains challenging due to overlapping symptoms and the ...
Suhei C. Zuleta De Bernardis +9 more
wiley +1 more source
A Covariant Information-Density Cutoff in Curved Space-Time
, 2003 In information theory, the link between continuous information and discrete information is established through well-known sampling theorems. Sampling theory explains, for example, how frequency-filtered music signals are reconstructible perfectly from ...
Kempf, Achim
core +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background While Wilms tumor (WT) typically has a favorable prognosis, relapsed cases—especially those with high‐risk histology—remain therapeutically challenging after intensive frontline therapy. The combination of vincristine and irinotecan has demonstrated activity in pediatric solid tumors, and pazopanib, a multi‐targeted tyrosine kinase ...
Maria Debora De Pasquale +6 more
wiley +1 more source
British journal of multidisciplinary and advanced studiesThe aim of the article was to review the purposive sampling types as discussed by Patton (1990) and exemplify them in line with the current trends in the studies being conducted today.
Friday Nyimbili, Leah Nyimbili
semanticscholar +1 more source
The effect of number of healthcare visits on study sample selection in electronic health record data
International Journal of Population Data Science, 2020 Introduction Few studies have addressed how to select a study sample when using electronic health record (EHR) data. Objective To examine how changing criterion for number of visits in EHR data required for inclusion in a study sample would impact one
Laura Rasmussen-Torvik +8 more
doaj +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT We sought to identify potential early risk biomarkers for lung disease in children post‐allogeneic HCT. Patients with pulmonary function tests 3 months post‐transplant and plasma samples between days 7 and 14 post‐HCT were included. Six of 27 subjects enrolled had reduced forced expiratory volume 1 (FEV1) z scores.
Isabella S. Small +3 more
wiley +1 more source
Evaluation of four sampling devices for Burkholderia pseudomallei laboratory aerosol studies.
PLoS Neglected Tropical Diseases, 2021 Previous field and laboratory studies investigating airborne Burkholderia pseudomallei have used a variety of different aerosol samplers to detect and quantify concentrations of the bacteria in aerosols.
Michael Schuit +3 more
doaj +1 more source