EXHIBIT 23 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our report dated February 12, 1998, included in this Form 10-K, into the Company's previously filed Registration Statements on Form S-8, File Nos. 33-80436, 33- 94268, 33-94284. /s/ Arthur Andersen LLP ARTHUR ANDERSEN LLP Boston, Massachusetts March 18, 1998