EXHIBIT 3.6
                                     CSC 45
                                 F970110000798

                           CERTIFICATE OF CORRECTION

                                       OF

                        CERTIFICATE OF AMENDMENT OF THE

                          CERTIFICATE OF INCORPORATION

               UNDER SECTION 105 OF THE BUSINESS CORPORATION LAW





         The undersigned President and Secretary of Medical Sterilization, Inc.
("MSI") pursuant to Business Corporation Law Section 105 certify:


         1. The name of the  corporation is MEDICAL  STERILIZATION,  INC.,  (the
"Corporation").

         2. The  Certificate  of  Amendment  being  corrected  was  filed by the
Department of State on January 6, 1997.

         3. The  Certificate  of  Amendment  contains an error in Paragraph 3 in
which it is stated that the increased  number of  authorized  shares of Series C
Convertible  Preferred  Stock of the  Corporation  is  1,945,265.  The corrected
number should be 1,945,625.

         4. Paragraph Fourth A(b)(iii) is hereby corrected to read as follows:

         "(iii)  1,945,625  shares of the authorized  Preferred Stock of the par
         value of $.01 each sha11 be issued in and as a series to be  designated
         "Series C Convertible Preferred Stock."



         IN WITNESS  WHEREOF,  we have hereunto  subscribed this  Certificate on
January 10, 1997.

                                        1



                                    /s/ D. Michael Deignan
                                    ------------------------------------
                                    D. Michael Deignan, Chief Executive Officer
                                    and President

                                    /s/ Harvey Cohen
                                    ------------------------------------
                                    Harvey Cohen, Secretary


                                  VERIFICATION


STATE OF NEW YORK )

                  )ss.:

COUNTY 0F NASSAU  )



         HARVEY  COHEN,  being  duly  sworn  deposes  and  says,  that he is the
Secretary of Medical Sterilization, Inc., the corporation named in and described
in the  foregoing  certificate,  and is one of the persons  described in and who
executed the foregoing  certificate,  that he has read the foregoing Certificate
of  Correction  of  the   Certificate   of  Amendment  of  the   Certificate  of
Incorporation and knows the contents thereof,  and that the statements contained
therein are true.


                                                       /s/ Harvey Cohen
                                                       -----------------------
                                                       Harvey Cohen




Sworn to before me this
10th day of January, 1997

/s/ Joel B. Cutler
-------------------------
     Notary Public

           Joel B. Cutler
  Notary Public, State of New York
           No. 30-4785483
     Qualified in Nassau County
Commission Expires December 31, 1997


                                     CSC 45
                                 F970110000798

                           CERTIFICATE OF CORRECTION

                                       OF

                           MEDICAL STERILIZATION, INC.

                         -------------------------------

                   SECTION 105 OF THE BUSINESS CORPORATION LAW

Filer: Joel B. Cutler, Esq
       Murtagh, Cohen & Byrne
       1100 Franklin Ave.
       Garden City, NY 11530

                                       lcc
                                STATE OF NEW YORK
                               DEPARTMENT OF STATE

                              FILED JAN 10 1997
                              TAX $_______________
                              BY: /s/ POC
                                  -----------------
                                        NASS
                                                       BILLED
                                                    97011000828