WESTLAND CONVALESCENT CENTER V BLUE CROSS & BLUE SHIELD OF MICHIGAN; ALLEN PARK CONVALESCENT HOME, INC. V BLUE CROSS & BLUE SHIELD OF MICHIGAN; REHABILITATION CENTER, INC. V BLUE CROSS & BLUE SHIELD OF MICHIGAN; NIGHTINGALE WEST, INC. V BLUE CROSS & BLUE SHIELD OF MICHIGAN; VENOY CONTINUED CARE CENTER V BLUE CROSS & BLUE SHIELD OF MICHIGAN, 414 MICH 247 (1982): Plaintiff-Appellant's Brief and Supplemental Appendix