Table 2.

Absolute variation means during the dynamical experiments.

BPU	Days
	D0	D14	D28
Treated	21.0 + 31.6	22.0 + 27.9	18.5 + 17.8
Nontreated	25.3 + 35.5	34.5 + 37.9	21.6 + 24.5