RUBEN GUEVARA, ET AL., PLAINTIFFS, APPELLEES, v. DORSEY LABORATORIES, DIVISION OF SANDOZ, INC., DEFENDANT, APPELLANT. RUBEN GUEVARA, ET AL., PLAINTIFFS, APPELLANTS, v. DORSEY LABORATORIES, DIVISION OF SANDOZ, INC., DEFENDANT, APPELLEE. Nos. 87-1431, 87-1519.United States Court of Appeals, First Circuit.Heard December 10, 1987. Decided April 26, 1988. As Amended May 4, 1988. Page 365 David Efron, […]