Results 191 to 200 of about 2,603,467 (226)
Some of the next articles are maybe not open access.

Editor’s note

IEEE Transactions on Visualization and Computer Graphics, 2007
J. Graf von der Schulenburg, W. Greiner
semanticscholar   +2 more sources

Community Use Of Face Masks And COVID-19: Evidence From A Natural Experiment Of State Mandates In The US.

Health Affairs, 2020
State policies mandating public or community use of face masks or covers in mitigating novel coronavirus disease (COVID-19) spread are hotly contested. This study provides evidence from a natural experiment on effects of state government mandates in the ...
W. Lyu, G. Wehby
semanticscholar   +1 more source

An Introduction to the Quasi-Experimental Design (Nonrandomized Design)

The American Journal of Nursing
Editor's note: This is the 24th article in a series on clinical research by nurses. The series is designed to be used as a resource for nurses to understand the concepts and principles essential to research.
B. Capili, J. Anastasi
semanticscholar   +1 more source

Editor's Note and Announcement of a New Journal Section

Journal of Cognitive Neuroscience, 1999
M. Gazzaniga
semanticscholar   +1 more source

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