id: 70791679
dt: a
an: 70791679
au: Ahn, Yonghak; Chae, Oksam
ti: Automatic subtraction radiography algorithm for detection of periodontal
    disease in internet environment
so: ICCSA (2), 732-740 (2005).
py: 2005
pu: 
la: EN
cc: 
ut: 
ci: 
li: doi:10.1007/11424826_77