4 ms·
The numbers aren't in the article. The article links to the study -- the numbers are in the study: http://www.cdc.gov/nchs/products/databriefs/db241.htm http:/
by stray 10y ago
The numbers aren't in the article. The article links to the study -- the numbers are in the study: http://www.cdc.gov/nchs/products/databriefs/db241.htm http://www.cdc.gov/nchs/products/databriefs/db241.htm