SPONSORED LABORATORY STUDY AGREEMENT

       THIS Agreement is made this 7th day of July, 1997, between The University
of Texas M.D. Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, Texas
77030 ("Institution"), a component of The University of Texas System ("System"),
and IDT, Inc., 2275 Swallow Hill Road, Building 2500, Pittsburgh, PA  15220
("Sponsor"), to conduct a laboratory study and evaluation ("Study").
Institutional and Sponsor agree as follows:

                                    1. PROTOCOL

1.1    Institution agrees to use its best efforts to conduct the Study, as an
       independent contractor in accordance with Institutional policy,
       applicable laws and regulations and Project, "Pre-Clinical Studies for
       Phase I/II Trial of a Thermochemotherapy Hemi-Perfusion of Patients with
       Pelvic or Lower Extremity Recurrences" as described in Exhibit A attached
       hereto and incorporated herein.  The Study will be supervised by Stephen
       P. Tomasovic, Ph.D., ("Principal Investigator"), at Institution, with
       assistance from associates and colleagues as required.

1.2    Sponsor agrees to engage the services of Institution to conduct the Study
       and further agrees to provide to Institution the long-term loan of a
       Biologic-HT System and System ($250,000 retail) and the HT Disposable
       Kits for the pig perfusions ($6,000 per kit retail) at no cost for the
       conduct of the Study.

                                      2. AWARD

2.1    In consideration for performance of the Study by Institution, Sponsor
       shall pay Institution Nine Thousand Five Hundred Twelve and 50/100
       Dollars (9,512.50) for Study expenses and other related costs.  This
       amount, shown by approximate category of expense in Exhibit B attached
       hereto for information only, is payable within thirty (30) days of the
       date herein above.

                                      3. TERM

3.1    This Agreement shall continue in force until the earlier of completion of
       the Study as mutually agreed upon by the parties or within two (2) months
       of delivery of the System; provided, however, that either party may
       terminate the Agreement by giving thirty (30) days advance notice to the
       other.

3.2    Upon early termination of this Agreement, Sponsor shall be liable for all
       reasonable costs incurred or obligated by Institution at the time of such
       termination, subject to the



       maximum amount specified in Article 2.  Sponsor shall pay Institution for
       such costs within thirty (30) days of receipt of an invoice for same.

3.3    Upon termination of this Agreement, Institution shall return Sponsor's
       materials and equipment to Sponsor.

                                 4. INDEMNIFICATION

4.1    Institution shall, to the extent authorized under the Constitution and
       laws of the State to Texas, indemnify and hold Sponsor harmless from
       liability resulting from the negligent acts or omissions of Institution,
       its agents or employees pertaining to the activities to be carried out
       pursuant to the obligations of the Agreement; provided, however, that
       Institution shall not hold Sponsor harmless from claims arising out of
       the negligence or willful malfeasance of Sponsor, its officers, agents,
       or employees, or any person or entity not subject to Institution's
       supervision or control.

4.2    Sponsor shall indemnify and hold harmless System, Institution, their
       Regents, officers, agents and employees from any liability or loss
       resulting from judgments or claim against them arising out of the
       activities to be carried out pursuant to the obligation of this
       Agreement, including but not limited to the use by Sponsor of the results
       of the Study; provided, however, that the follow is excluded from
       Sponsor's obligation to indemnify and hold harmless:

       a.     the negligent failure of Institution to comply with any applicable
              governmental requirements or to adhere to the terms of the
              Protocol; or

       b.     the negligence or willful malfeasance by a Regent, officer, agent
              or employee of Institution or System.

                         5. PUBLICATION AND CONFIDENTIALITY

5.1    The parties reserve the right to publish or otherwise make public the
       data resulting from the Study.  The party so wishing to publish or make
       public shall submit any such manuscript or release to the other party for
       comment thirty (30) days prior to publication or release.

5.2    Except as otherwise required by law or regulatior4 neither party shall
       release or distribute any materials or information containing the name of
       the other party or any of its employees without prior written approval by
       an authorized representative of the non-releasing party, but such
       approval shall not be unreasonably withheld.

       IDT anticipates press releases when appropriate and will submit them for
       review prior to release.



5.3    Each party shall hold in confidence for three (3) years after the
       termination of this Agreement any confidential information identified as
       confidential and obtained from the other parry during the course of this
       Study.  Nothing herein, however, shall prevent Institution or any other
       component of System from using any information generated hereunder for
       ordinary research and educational purposes of a university.

                                     6. GENERAL

6.1    This Agreement, including the attached Exhibit A and B, constitutes the
       entire and only Agreement between the parties relating to the Study, and
       all prior negotiations, representations, agreements, and understandings
       are superseded hereby. No agreements altering or supplementing the terms
       hereof including the exhibits attached hereto, may be made except by a
       written document signed by the duly authorized representatives of the
       parties.

6.2    Any conflicts between the Protocol and this Agreement are controlled by
       this Agreement.

6.3    This Agreement shall be construed and enforced in accordance with the
       laws of the State of Texas.

6.4    This Agreement anticipates educational training and may involve health
       science postgraduates and other students of the Institution.


              IN WITNESS WHEREOF, Institution and Sponsor hereby enter into this
       Agreement, effective as of the date       set forth above, and execute
       two (2) original counterparts.

IDT, Inc.                                 The University of Texas
                                          M.D. Anderson Cancer Center

By:  Glenn Keeling /s/                    By:    Donna S. Gilberg  /s/
   -------------------                       --------------------------
       Glenn Keeling                             Donna S. Gilberg, CPA
       President                                 Manager, Sponsored Programs

Date:    7/8/97                           Date:    7/2/97
     ----------------                          -------------------------
                                          I have read this agreement and
                                          understand my obligation hereunder.

                                          By:    Stephen P. Tomasovic  /s/
                                             ---------------------------
                                                 Stephen P. Tomasovic, Ph.D.
                                                 Principal Investigator

                                          Make Payment to:

                                          The University of Texas



                                          M.D. Anderson Cancer Center
                                          Attn: Donna S. Gilberg, CPA
                                          Manager, Sponsored Programs
                                          P.O. Box 297402
                                          Houston, TX  77297

                                          Tax I.D. 74 6001118A1



                                      EXHIBIT B

                        SPONSORED LABORATORY STUDY AGREEMENT

                                      BETWEEN

                THE UNIVERSITY OF TEXAS M.D. ANDERSON CANCER CENTER

                                        AND
                                     IDT, INC.

 "PRE-CLINICAL STUDIES FOR PHASE I/II TRIAL OF A THERMOCHEMOTHERAPY
     HEMI-PERFUSION OF PATIENTS WITH PELVIC OR LOWER EXTREMITY
                               RECURRENCES'"


The approximate distribution of expenses related to the Study described in the
covering Agreement is as follows:


                                       
Charges Per Pig
       Pig cost                           $  250.00
       Operating room time (4 h)             125.00
       Gas anesthesia                        125.00
       Disposables                           170.00
       Euthanasia & disposal                  30.00
       Tc-99m                                 25.00
       Ultra Tag kit                          36.00

       Total Estimated Cost Per Pig       $  761.00

       Total Direct Costs (10 pigs)       $7,610.00
       Indirect Costs (@ 25%)             $1,902.50

       Total Costs                        $9,512.50



These expenses are provided for information only.  Institution reserves the
right to modify the distribution of such expenses as necessary in the
circumstances, provided that the stipulated total cost of $9,512.50 is not
exceeded.