1. Preface Clinics in Perinatology
Alan R. Spitzer, MD 
Clinics in Perinatology 
Volume 37, Issue 1, Pages xv-xvi (March 2010)
DOI: /j.clp
Copyright © 2010 Elsevier Inc. Terms and Conditions

2. Alan R. Spitzer, MD Guest Editor
Clinics in Perinatology  , xv-xviDOI: ( /j.clp )
Copyright © 2010 Elsevier Inc. Terms and Conditions

3. Dan L. Ellsbury, MD Guest Editor
Clinics in Perinatology  , xv-xviDOI: ( /j.clp )
Copyright © 2010 Elsevier Inc. Terms and Conditions