THE DIFFERENCE HUMAN LEUKOCYTE ANTIGEN-E (HLA-E) EXPRESSION AND NATURAL KILLER CELLS (NK CELLS) IN TROPHOBLAST BETWEEN INTRAUTERINE GROWTH RESTRICTION (IUGR) AND NORMAL PREGNANCY. NMSJ. 2018;3(1):15-19. doi:10.20956/nmsj.v3i1.5781