165 N.W.2d 234 LOCAL 1140, INTERNATIONAL UNION OF ELECTRICAL, RADIO MACHINE WORKERS, AFL-CIO, AND OTHERS v. MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY AND OTHERS. No. 41230.Supreme Court of Minnesota. February 21, 1969. Insurance — group medical insurance policy — coverage — cost of whole blood. Under the provisions of a group medical insurance policy which provided […]