Three decades of twin births in the United States, 1980-2009
By: Joyce A. Martin, Brady E. Hamilton, and Michelle J.K. Osterman
Contributors: Hamilton, Brady E.; Osterman, Michelle J. K.; National Center for Health Statistics (U.S.)
Series: NCHS data brief -- no. 80; DHHS Publication -- no. (PHS) 2012-1209; NCHS data brief -- no. 80.; DHHS publication -- no. (PHS) 2012-1209.
Publisher: U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics
Published: 2012
Place of publication: Hyattsville, MD
Language: eng
Format: [electronic resource] /
Subjects: Twins; Statistics; Multiple birth; Multiple pregnancy
Notes: Title from title screen (viewed on Jan. 25, 2012).

"January 2012."

Includes bibliographical references (p. 7).