نتایج جستجو برای: apparent diffusion coeffi cient

تعداد نتایج: 279086  

2011
Ghislain Emmanuel Sopoh Roch Christian Johnson Séverin Yehouénou Anagonou Yves Thierry Barogui Ange Dodji Dossou Jean Gabin Houézo Delphin Mavingha Phanzu Brice Hughes Tente Wayne M. Meyers Françoise Portaels

To the Editor: Buruli ulcer (BU), caused by Mycobacterium ulcerans, is one of 13 recently classifi ed neglected tropical diseases (1). Little is known about factors infl uencing its focal distribution. In Benin, altitude may play a role in such distribution of BU. Incidence, prevalence, and other health-related data are usually reported at national or district levels. These data convey the impo...

Journal: :Concepts in Magnetic Resonance Part A 2010

2007
TYLER J. VANDERWEELE JAMES M. ROBINS

Su¢ cient-component causes are incorporated into the directed acyclic graph (DAG) causal framework in order to make apparent several properties of conditioning on a common e¤ect. By incorporating su¢ cient causes on a graph, it is possible to detect conditional independencies within strata of the conditioning variable which are not evident on DAGs without the representation of su¢ cient causes....

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