NY -- Standard&Poor's CreditWire 12/1/97 -- Standard&Poor's today assigned its single-`A'-minus rating to New Jersey Health Care Facilities Financing Authority, N.J.'s revenue bonds series 1997 due July 1, 2027, issued for Capital Health System. These bonds are scheduled to sell Dec. 8, 1997. Additionally, Standard&Poor's withdrew its rating on the authority's revenue bonds series C, issued for Helene Fuld Medical Center as the bonds are expected to be refunded next week. Capital Health System is a new system formed from the merger of Helene Fuld and Mercer Medical Centers upon bond issuance. The rating reflects significant potential for cost savings and service consolidation, which is needed in overbedded and highly competitive Trenton. The savings