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American Journal of Kidney Diseases
Volume 53, Issue 3
, Pages 377-388
, March 2009
Randomized and Observational Studies in Nephrology: How Strong Is the Evidence?
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Originally published online as doi:10.1053/j.ajkd.2008.12.011 on January 30, 2009.
PII: S0272-6386(08)01695-8
doi: 10.1053/j.ajkd.2008.12.001
© 2009 National Kidney Foundation, Inc. Published by Elsevier Inc All rights reserved.
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American Journal of Kidney Diseases
Volume 53, Issue 3
, Pages 377-388
, March 2009
