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                                                                    EXHIBIT 3.21

STATE OF ALABAMA
                                ss.

MADISON COUNTY

                            ARTICLES OF INCORPORATION
                                       OF
                              DANIEL & YEAGER, INC.

KNOW ALL MEN BY THESE PRESENTS,

         That I, Samuel C. Yeager, the undersigned incorporator, for the purpose
of forming a business corporation pursuant to the provisions of Title 10,
Chapter 2A, Code of Alabama (3975), as amended ("Alabama Business Corporation
Act"), do hereby adopt these Articles of Incorporation, the same to constitute a
charter for carrying on the business hereinafter specified.

                                    ARTICLE I
                               NAME OF CORPORATION

         The name of the corporation shall be Daniel & Yeager, Inc.

                                   ARTICLE II
                                    PURPOSES

         The nature of the business and the purposes for which the corporation
is formed shall be as follows:

         (1) To provide support and personnel services and locum tenens services
in the medical field, and to provide an perform all related services thereto.

         (2) To do all things necessary, desirable, or expedient in the
operation, management, and conduct of the business.


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         (3) To transact all lawful business for which corporations may be
incorporated under the Alabama Business Corporation Act.

                                   ARTICLE III
                           REGISTERED OFFICE AND AGENT

         The address of the initial registered office of the corporation shall
be 7220 Governors Drive, W., Huntsville, Alabama 35806, and the initial
registered agent at such address shall be Samuel C. Yeager.

                                   ARTICLE IV
                                    DURATION

         The duration of the corporation shall be perpetual unless the
corporation is dissolved by law or otherwise terminated.

                                    ARTICLE V
                                     SHARES

         The corporation shall be authorized to issue 1,000 common shares having
a par value of $1.00 each.

                                   ARTICLE VI
                           INCORPORATOR AND DIRECTORS

         (1) INCORPORATOR: The name and address of the incorporator is as
follows:

             NAME                               ADDRESS
             Samuel C. Yeager                   Huntsville, Alabama

         (2) DIRECTORS: The initial board of directors shall consist of four (4)
directors. The names and addresses of the persons who are to serve as directors
until the first annual meeting of the shareholders, or until their successors
are elected and qualified, are as follows:


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             NAME                               ADDRESS
             Samuel C. Yeager                   7220 Governors Drive, S.W.
                                                Huntsville, Alabama   35806

             Charles F. Daniel, Jr.             933 Meadow Lane
                                                Henderson, South Carolina  27536

             Timothy L. Yeager                  563 Pettus Road
                                                Madison, Alabama  35758

             John S. Daniel                     2421 Inverloch Circle
                                                Dulth, Georgia  30136

                                   ARTICLE VII
                              REGULATORY PROVISIONS

         (1) VOTING: At any meetings of the shareholders of the corporation, the
shareholders of record shall be entitled to one vote for each share standing in
his name. Shares may be voted by the shareholders either in person or by proxy.

         (2) PRE-EMPTIVE RIGHTS: Each shareholder shall have a pre-emptive right
to purchase additional or treasury shares of the corporation under the Alabama
Business Corporation Act.

         (3) MANAGEMENT: The business and affairs of the corporation shall be
under the management of a board of directors to consist initially of four (4)
persons, and such number thereafter as may be fixed by the bylaws.

         (4) SHARES NONASSESSABLE: The shares of the corporation, when fully
paid for in accordance with the subscription therefor, shall be fully paid and
nonassessable, and in no case shall any shareholder be liable other than for the
unpaid shares subscribed for by him.

         (5) LIEN ON SHARES: The corporation shall have a lien on the shares of
a shareholder for any debt or liability owed to it by him before a notice of
transfer or levy on such


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shares is received by the corporation. The corporation shall have the rights
with respect to the lien conferred by the laws of the State of Alabama.

         (6) AMENDMENTS: The corporation reserves the right to amend or repeal
any provision of these Articles of Incorporation in the manner provided by law;
and all rights conferred upon the officers, directors, and shareholders of the
corporation are granted subject to this reservation.

         (7) BYLAWS: The initial bylaws of the corporation shall be adopted by
the shareholders. The power to alter, amend or repeal the bylaws or adopt new
bylaws shall be vested in the board of directors: provided, however, that a
majority of the shareholders may alter or amend such bylaws at any meeting of
the shareholders called for that purpose.

         IN WITNESS WHEREOF, I, the said incorporator, have hereunto set my hand
on this 25 day of October, 1989.

                                                  /s/ Samuel C. Yeager
                                                  ______________________________
                                                         Samuel C. Yeager

                           THIS INSTRUMENT PREPARED BY
                          BRADLEY, ARANT, ROSE & WHITE
                               By: Scott E. Ludwig
                              223 East Side Square
                            Huntsville, Alabama 35801
                            Telephone (205) 533-5040


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