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Figure 1 : Carte de John Snow ,1854
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0200 km
< à 0,80
de 0,80 à 0,89
de 0,90 à 0,99
de 1,00 à 1,08
Densité de scanographes
pour 100 000 habitants
Source : IRDES : http://www.ecosante.fr
Figure 2 : Densité des scanographes installés (ACRIM)
par région en 2002
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