TY - GEN AU - Jackson,L G AU - Wapner,R J TI - Chorionic biopsy SN - 0028-4793 PY - 1984///0914 KW - Biopsy KW - adverse effects KW - Chorionic Villi KW - pathology KW - Female KW - Humans KW - Placenta KW - Pregnancy N1 - Publication Type: Letter ER -