NY -- Standard&Poor's CreditWire 3/9/98 -- Standard&Poor's today assigned its single-'A'-plus rating to California Health Facilities Financial Authority's $105 million and $200 million hospital revenue bonds (UCSF-Stanford Health Care) series 1998A and B dated March 1, 1998 due Nov. 15, 2028, issued for UCSF-Stanford Health Care. The bonds are scheduled to sell March 17, 1998. At the same time, Standard&Poor's affirmed its single-'A'-plus rating on the authority's (UCSF Stanford Health Care formerly known as Stanford Health Services) hospital revenue bonds series 1990A The single-'A'-plus rating on UCSF-Stanford Health Care is based on: -- UCSF-Stanford Health Care's market position, with the combined strength and reputation of Stanford and University of California San Francisco's premier academic