http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Contraceptive use patterns, prior source, and pregnancy history of female family planning patients, United States, 1980
Office of Health Research, Statistics, and Technology.
National Center for Health Statistics (U.S.)
1 online resource (12 pages) : illustrations
Title from title screen (viewed Nov. 14, 2012).
Advance data from vital and health statistics of the National Center for Health Statistics ; no. 82