Exhibit 23.3 INDEPENDENT AUDITORS' CONSENT We consent to the inclusion in this Registration Statement of Phoenix International Life Sciences, Inc. on Form F-4 of our report related to IBRD-Rostrum Global Inc. and subsidiaries, dated March 4, 1997, and to the reference to us under the heading "Experts" in the proxy statement/prospectus, which is part of this Registration Statement. DELOITTE & TOUCHE LLP Costa Mesa, California April 5, 1999 - ---------------------------