TY - GEN AU - Tycko,Benjamin AU - Efstratiadis,Argiris TI - Genomic imprinting: piece of cake SN - 0028-0836 PY - 2002///0719 KW - Alleles KW - Animals KW - Biological Transport KW - Embryonic and Fetal Development KW - genetics KW - Female KW - Fetus KW - embryology KW - Genomic Imprinting KW - Humans KW - Infant, Low Birth Weight KW - metabolism KW - Infant, Newborn KW - Insulin-Like Growth Factor II KW - Male KW - Maternal-Fetal Exchange KW - Mice KW - Mice, Knockout KW - Placenta KW - anatomy & histology KW - Placentation KW - Pregnancy KW - blood KW - Pregnancy-Associated Plasma Protein-A KW - analysis KW - RNA, Messenger N1 - Publication Type: Comment; News UR - https://doi.org/10.1038/417913a ER -