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X-Ray Spectral Constraints for z ≈ 2 Massive Galaxies: The Identification of Reflection-Dominated Active Galactic Nuclei (open access)

X-Ray Spectral Constraints for z ≈ 2 Massive Galaxies: The Identification of Reflection-Dominated Active Galactic Nuclei

This article uses the 4 Ms Chandra Deep Field-South survey to place direct constraints on the ubiquity of z ≈ 2 heavily obscured active galactic nuclei.
Date: June 6, 2011
Creator: Alexander, David M.; Bauer, Franz E.; Brandt, William Nielsen; Daddi, Emanuele; Hickox, Ryan; Lehmer, Bret et al.
System: The UNT Digital Library
Pediatric functional magnetic resonance neuroimaging: tactics for encouraging task compliance (open access)

Pediatric functional magnetic resonance neuroimaging: tactics for encouraging task compliance

This article discusses tactics for encouraging compliance in pediatric functional magnetic resonance neuroimaging.
Date: May 6, 2011
Creator: Schlund, Michael W.; Cataldo, Michael F.; Siegle, Greg J.; Ladouceur, Cecile D.; Silk, Jennifer S.; Forbes, Erika E. et al.
System: The UNT Digital Library