Netherlands, the

CYP2C19 and CYP2D6 phenotyping results in a Dutch population (Tamminga et al. 1999)

The population investigated mainly comprised Caucasian (98.9%) male (68%) volunteers mainly from the northern part of The
Netherlands. Of the total population 0.5% was Negroid and 0.6% was of Oriental origin, excluded in the results below.