Table 5.

Results (%) of the amount of 7-OH-coumarin hydroxylase excretion in volunteers

Volunteers	2 hr	4 hr	8 hr	No. of volunteers
Male	65.01±17.80	88.93±8.38	100	96
Female	67.73±14.46	89.35±8.59	100	54
Total	65.99±16.68	89.08±8.43	100	150