Polcz POL polus frontalis hemispherii cerebri politieal and ideological education policies to promote economic growth Polska Zjednoczona Partia Robotnicza polus temporalis hemispherii cerebri polisilicone quaternary ammonium salt polution-yielding traffic condition polus occipitalis hemispherii cerebri Polhemus-Schafer-Ivemark syndrome polnt-supporting glass curtain wall