NEW YORK (Standard&Poor's CreditWire) Nov. 2, 1999--Standard&Poor's today assigned its 'A-1'-plus rating to Ascension Health, Mo.'s $250 million commercial paper notes due Sept. 30, 2002. The rating reflects a joint and several obligation, pursuant to obligation 25, of each member of the operating group. Ascension Health is rated double-'A' and its outlook is stable. Liquidity support is provided by a $250 million line of credit provided by Morgan Guaranty Trust Co. (double-'A'/'A-1'-plus), Landesbank Hessen-Thuringen Girozentrale (triple-'A'/'A-1'-plus), Bank of America NT (double-'A'-minus/'A-1'-plus), and Nationsbank N.A. (double-'A'-minus/'A-1'-plus). The proportion of the line of credit provided by each bank is 50%, 20%, 20%, and 10%, respectively. The line of credit expires on Sept. 30, 2002. Bankers Trust Co. will