Adult Blood Lead Epidemiology and Surveillance --- United States, 2008—2009
MMWR July 1, 2011 / 60(25);841-845
http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6025a2.htm?s_cid=mm6025a2_x
年々減ってはいる
グラフと表有り
Adult Blood Lead Epidemiology and Surveillance --- United States, 2008—2009
MMWR July 1, 2011 / 60(25);841-845
http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6025a2.htm?s_cid=mm6025a2_x
年々減ってはいる
グラフと表有り