EXHIBIT 3.116


                          CERTIFICATE OF INCORPORATION
                                       OF
                      SPECTRUM HEALTHCARE NATIONWIDE, INC.

      FIRST: The name of the corporation is Spectrum Healthcare Nationwide, Inc.

      SECOND: The registration office of the corporation is to be located at
1209 Orange Street, in the City of Wilmington, County of New Castle. The name
of its registered agent at that address The Corporation Trust Company.

      THIRD: The purpose of the corporation is to engage in any lawful act or
activity for which a corporation may be organized under the General Corporation
Law of Delaware.

      FOURTH: The corporation shall be authorized to issue 1,000 share all of
which  are to be of one class with a par value of $1.00 per share.

      FIFTH: The name and mailing address of the incorporator is as follows:

      Name                    Address
      ----                    -------
      Tracy Bartoli           12647 Olive Blvd.
                              St. Louis, MO 63141

      SIXTH: Elections of directors need not be by written ballot.

      SEVENTH: The original by-laws of the corporation shall be adopted by the
initial incorporator named herein. Thereafter the Board of Directors shall have
the power, in addition to the stockholders, to make, alter, or repeal the
by-laws of the corporation.

      EIGHTH: Whenever a compromise or an arrangement is proposed between this
corporation and its creditors or any class of them and/or between this
corporation and its stockholders or any class of them, any court of equitable
jurisdiction within the State of Delaware may, on the application in a summary
way of this corporation or of any creditor or stockholder thereof or on the
application of any receiver or receivers appointed for this corporation under
the provisions of Section 291 of Title 8 of the Delaware Code or on the
application of trustees in dissolution or of any receiver or receivers
appointed for this corporation under the provisions of Section 279 of Title 8
of the Delaware Code order a meeting of creditors or class of creditors, and/or
of the stockholders or class of stockholders of this corporation, as the case
may be, to be summoned in such manner as the said court directs. If a majority
in number representing three-fourths in value of the

creditors or class of creditors, and/or of the stockholders or class of
stockholders of this corporation, as the case may be, agree to any compromise or
arrangement and to any reorganization of this corporation as consequence of such
compromise or arrangement, the said compromise or arrangement and the said
reorganization shall, if sanctioned by the court to which the said application
has been made, be binding on all the creditors class of creditors, and/or the
stockholders or class of stockholders, of this corporation, as the case may be,
and also on this corporation.

     NINETH: The corporation reserves the right to amend, alter, change or
repeal any provision contained in this Certificate of Incorporation, in the
manner now or hereafter prescribed by statute, and all rights conferred upon
stockholders are granted subject to this reservation.


     I, THE UNDERSIGNED, being the incorporator hereinbefore named, for the
purpose of forming a corporation pursuant to the General Corporation Law of the
State of Delaware, do make this Certificate, hereby declaring and certifying
that this is my act and deed and that the facts herein stated are true, and
accordingly have hereunto set my hand this 10th day of May, 2001.





                                         /s/ Tracy Bartoli
                                        --------------------------
                                        TRACY BARTOLI
                                        INCORPORATOR