TY - RPRT TI - Chorionic villus sampling and rare side-effects: will a randomised controlled trial detect them? AU - R W Orrell AU - R J Lilford PY - 1990 DO - 10.1016/0020-7292(90)90978-t UR - https://pubmed.ncbi.nlm.nih.gov/1971234/ ID - 1971234 ER -