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                         CERTIFICATE OF AMENDMENT
                                   TO THE
                    RESTATED CERTIFICATE OF INCORPORATION
                                     OF
                     AUTOMATED MEDICAL LABORATORIES, INC.

                                 ----------

TO:  THE DEPARTMENT OF STATE
     STATE OF FLORIDA


     Pursuant to the provisions of Section 607.187 of the Florida General
Corporation Act the undersigned corporation executes the following Certifi-
cate of Amendment to its Restated Certificate of Incorporation:

     1.  The name of the corporation is AUTOMATED MEDICAL LABORATORIES,
INC.

     2.  The following amendment to the Restated Certificate of Incorpora-
tion was adopted by the board of directors on June 26, 1985 and thereafter
duly adopted by the shareholders on September 12, 1985, which increased
the authorized capital stock, common stock, $.01 par value per share, from
8,000,000 shares to 12,000,000 shares of common stock.

          RESOLVED, that Article III of the Restated Certificate of
     Incorporation of the Company, be and hereby is amended to read in
     its entirety as follows:

          "The aggregate number of shares which the Corporation shall
     have authority to issue is 12,000,000 shares of Common Stock, $.01
     par value.  The Corporation may

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     issue and deliver unissued or treasury shares, options, rights or
     securities having conversion or option rights whether presently
     or hereafter authorized, in such manner and for consideration as
     from time to time may be fixed by the Board of Directors, without
     first offering them to existing shareholders.  The Board of
     Directors may accept property, labor or other payment for sale
     of capital stock at a just valuation fixed by the Board of Directors.
     The stock of the Corporation shall not be assessable, nor shall the
     holders thereof or their property be liable for the debts of the
     Corporation, to any extent whatever."

     3.  The effective date of this Certificate of Amendment to the
Restated Certificate of incorporation shall be the date the same are
filed with the Department of state In accordance with Chapter 607 of the
Florida General Corporation Act.

                                AUTOMATED MEDICAL LABORATORIES, INC.

                                  /s/ Thomas K. Langbein
                                By-----------------------------------
                                  THOMAS K. LANGBEIN, President

                                /s/ Benton L. Becker
                                -------------------------------------
                                BENTON L. BECKER, Secretary

Subscribed at Miami, Florida this 12 day of September, 1985.

     The foregoing Certificate of Amendment to the Restated Certificate
of Incorporation was acknowledged before me this 12 day of September, 1985.

                                /s/ Benton L. Becker
                                -------------------------------------
                                BENTON L. BECKER, Secretary

STATE OF FLORIDA  )
                  :ss.:
COUNTY OF DADE    )

     On this 12th day of September, 1985, before me personally appeared
BENTON L. BECKER to me known to be the SECRETARY of AUTOMATED MEDICAL,
INC. and who executed the foregoing for the purpose therein contained.

                                /s/ Bonnie Gail Duckworth
                                -------------------------------------
                                NOTARY PUBLIC