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. 2002 Apr 15;8(2):282–287. doi: 10.3748/wjg.v8.i2.282

Table 2.

Relation between the density of sensitized erythrocytes and the sensitivity of SPASE

Density of sensitized erythrocytes Serum titer
Negative control
1:1 1:10 1:20 1:50 1:100 1:200 1:500
1.5•L⁻¹ +++ ++ ++ - - - - -
2.5•L⁻¹ ++++ ++++ ++++ +++ ++ + - -
3.0•L⁻¹ ++++ ++++ +++ ++ + + - -
6.0•L⁻¹ +++ +++ ++ + - - - -
10.0•L⁻¹ ++ +++ ++ - - - - -