TABLE 4.

Concentrations of ETA in serum following fasting administration of ETA expressed as a percentage of individual C_max over a period of 0.25 to 4 h

Time postdosing (h)	Concn of ETA in plasma (% of Cmax)
	Highest	Median	Lowest
0.25	23	0	0
0.50	78	23	2
0.75	100	59	6
1.00	100	71	14
1.50	94	70	51
2.00	100	87	51
2.50	100	87	47
3.00	100	84	36
4.00	76	64	33