Exhibit 99.1 Peat Marwick LLP Telephone 201 467-9650 Telefax 201 467 7930 New Jersey Headquarters 150 John F. Kennedy Parkway Short Hills, NJ 07078 February 26, 1998 Securities and Exchange Commission Washington, D.C. 20549 Ladies and Gentlemen: We were previously principal accountants for Daltex Medical Sciences, Inc. and, under the date of September 19, 1996, we reported on the financial statements of Daltex Medical Sciences, Inc. as of July 31, 1996 and 1995 and for each of the years in the three-year period ended July 31, 1996 and for the period from July 28, 1983 (date of inception) to July 31, 1996. On February 20, 1998, our appointment as principal accountants was terminated. We have read Daltex Medical Sciences, Inc. statements included under Item 4 of its Form 8-K dated February 20, 1998, and we agree with such statements. Very truly yours, /s/ KPMG Peat Marwick LLP ----------------------------------------- Member Firm of KPMG International