1. Preface Clinics in Perinatology
Michael R. Uhing, MD 
Clinics in Perinatology 
Volume 36, Issue 1, Pages xv-xvi (March 2009)
DOI: /j.clp
Copyright © 2009 Elsevier Inc. Terms and Conditions

2. Michael R. Uhing, MD
Clinics in Perinatology  , xv-xviDOI: ( /j.clp )
Copyright © 2009 Elsevier Inc. Terms and Conditions

3. Robert Kliegman, MD Guest Editors
Clinics in Perinatology  , xv-xviDOI: ( /j.clp )
Copyright © 2009 Elsevier Inc. Terms and Conditions