Peter C van Dyck1, E Stephen Edwards. 1. Maternal and Child Health Bureau, Health Resources and Services Administration, Rockville, MD 20857, USA. pvandyck@hrsa.gov
Authors: Michele Caggana; Elizabeth A Jones; S I Shahied; Susan Tanksley; Cheryl A Hermerath; Ira M Lubin Journal: Public Health Rep Date: 2013 Sep-Oct Impact factor: 2.792