[Letterhead of Grant Thornton LLP]


           CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

     We have issued our report dated February 3, 1999, accompanying the 1997 and
1998 financial statements of TVG, Inc. We consent to the use of the
aforementioned report in the Pre-effective Amendment No. 2 of the Registration
Statement and Prospectus of Professional Detailing, Inc. on Form S-3 (File No.
333-92899) filed with the Securities and Exchange Commission, pursuant to the
Securities Act of 1933 (the financial statements of TVG, Inc. are not presented
separately therein), and to the use of our name as  it appears under the caption
"Experts" and "Selected Consolidated Financial  Data."

                                           /s/ Grant Thornton LLP


Philadelphia, Pennsylvania
January 24, 2000