TY - GEN AU - Smidt-Jensen,S AU - Permin,M AU - Philip,J TI - Sampling success and risk by transabdominal chorionic villus sampling, transcervical chorionic villus sampling and amniocentesis: a randomized study SN - 0960-7692 PY - 2003///1003 N1 - Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial UR - https://doi.org/10.1046/j.1469-0705.1991.01020086.x ER -