Michael D Kogan1, Wanda Barfield, Charlan Kroelinger. 1. Health Resources and Services Administration, Maternal and Child Health Bureau, 5600 Fishers Lane, Room 18-41, Rockville, MD, 20857, USA, mkogan@hrsa.gov.
Authors: Joyce A Martin; Brady E Hamilton; Stephanie J Ventura; Michelle J K Osterman; Elizabeth C Wilson; T J Mathews Journal: Natl Vital Stat Rep Date: 2012-08-28