Vol. 1, no. 1 (1998) contains abstracts of the 1998 AAPS annual meeting; vols. for 1999- have an extra no. designated "S1" which contains abstracts for that year's meeting.
Publisher's website contains a page of links to PubMed (National Library of Medicine) for topics in pharmacogenetics and pharmacogenomics, titled: Pharmacogenetics/pharmacogenomics virtual journal.