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Objective
The objective of this article is to describe the elements involved with transporting extremely low birth weight (ELBW) infants from referring centers to our center’s neonatal intensive care unit (NICU) and then from the NICU to the catheterization lab for transcatheter closure of patent ductus arteriosus (PDA).
Setting
Several referring centers are over 300 miles away. ELBW infants are...
QuestionsHow does spatial scale (extent and grain) influence the relative importance of different environmental factors as determinants of plant community composition? Are there general scale thresholds that mark the transition from primarily edaphic to primarily climatic control of plant communities?
LocationGlobal.
MethodsWe surveyed the empirical literature and identified 89 analyses from 63...
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