531 A.2d 714 CHESHIRE TOYOTA/VOLVO, INC. AND THE UNIVERSAL UNDERWRITERS INSURANCE COMPANY v. MARY O’SULLIVAN, EXECUTRIX OF THE ESTATE OF WILLIAM J. O’SULLIVAN, JR. No. 86-232Supreme Court of New Hampshire Cheshire Decided August 24, 1987 1. Workers’ Compensation — Injuries in Course of and Arising Out of Employment — Heart Attacks Protracted work-related psychological stress […]