Cimetidine (v1.0) included with DDIs with alfentanil, alprazolam, midazolam, triazolam and verapamil
Rifampicin / verapamil DDI added (Barbarash 1998)
updated references to updated releases of mother repositories for Alfentanil (v2.1), Clarithromycin (v1.1), Erythromycin (v1.1), Fluvoxamine (v1.1), Itraconazole (v1.2), Rifampicin (v1.1) and Verapamil (v1.1)
updated references to updated released of all former DDI repositories, e.g. Rifampicin-Midazolam-DDI etc. due to optimized simulation time resolutions in snapshots
updated reference to new OSP PK database release (v1.1)