NEW YORK (Standard&Poor's) March 26, 2009--Standard&Poor's Ratings Services lowered its long-term rating on various issuers' debt, issued for Mayo Clinic, Minn. to 'AA-' from 'AA'. At the same time, Standard&Poor's revised its 'AA/A-1+' rating to 'AA-/A-1+' on Rochester, Minn.'s $130 million series 2008D and 2008E health care facilities revenue bonds. The bonds are fixed-rate-term bonds that are due in March and May of 2009, respectively, and are being reoffered for another 12- to 13-month term. Standard&Poor's factored the series 2008E bonds into the current analysis, but the bonds will not be reoffered until May 2009. In addition, Standard&Poor's revised its rating to 'AA-/A-1+ from 'AA/A-1+' on Wisconsin Health and Educational