You may download the report in PDF file (PDF - 3.65 MB), which may take a long time to download, depending upon your connection to the Internet.
Or, you may download the report section by section, by clicking on the links below.
U.S. Department of Health and Human ServicesPublic Health ServiceNational Institutes of HealthNational Institute of Child Health and Human DevelopmentNIH Pub. No. 00-4754April 2000