00331nam a2200097Ia 4500008004100000050002100041110000900062245003000071247004800101264008400149230508s1990    xx            000 0 und d  aRD 755 S754 19832 aPGMS10aSpinal orthotics /cPGMS.  aSpinal orthotics_RD 755 S754 1983_PGMS_1990  a[Place of publication not identified] : bPost Graduate Medical School, c1990.