Key points are not available for this paper at this time.
From the Departments of Medicine, University of Wisconsin and William S. Middleton Memorial Veterans Hospital, Madison, WI. Accepted for publication Dec. 2, 1995. Address for reprints: William A. Craig, M.D., Wm. S. Middleton Memorial VA Hospital, 2500 Overlook Terrace, Madison, WI 53705. Fax 608-262-7685.
Craig et al. (Fri,) studied this question.