TY - GEN AU - Speed,R M TI - Meiotic configurations in female trisomy 21 foetuses SN - 0340-6717 PY - 1984///0530 KW - Amniocentesis KW - Chromosomes, Human, 21-22 and Y KW - ultrastructure KW - Down Syndrome KW - genetics KW - Female KW - Fetus KW - Humans KW - Meiosis KW - Microscopy, Electron KW - Oocytes KW - cytology N1 - Publication Type: Comparative Study; Journal Article UR - https://doi.org/10.1007/BF00286596 ER -