Table 1.

Blood labeling duration (LD) and post-labeling delay (PLD) designs in the experiments

OT	t1	t2	t3	t4	t5	t6	t7	t8	t9	t10	t11	t12
LD (s)	1.5	2.0	2.5	3.0	3.5	4.0	4.0	4.0	4.0	4.0	4.0	4.0
PLD (s)	0.7	0.7	0.7	0.7	0.7	0.7	1.2	1.7	2.2	2.7	3.2	3.7