240 N.W.2d 333 IRENE A. WENNINGER, BY EDWIN A. WENNINGER, HER GUARDIAN AD LITEM, AND ANOTHER v. DR. WILLIAM J. MUESING. No. 45738.Supreme Court of Minnesota. March 19, 1976. Evidence — physician-patient privilege — compulsory waiver. 1. Rule 35.03, Rules of Civil Procedure, mandates the compulsory waiver of the physician-patient privilege, defined by Minn. St. […]