blood
In our studies we ascertained the       presence of the quinidine-, cyclosporin-, theophylline- and phenytoin-like       substances in the blood of the healthy people who did not receive any drugs.
In our studies we ascertained the       presence of the quinidine-,  @OBJECT$ -, theophylline- and phenytoin-like       substances  @PREDICAT$  the  @SUBJECT$  of the healthy people who did not receive any drugs.