TY - RPRT TI - Analysis for amniotic fluid crystallization in second-trimester amniocentesis. AU - S Elias AU - A O Martin AU - V A Patel AU - A Gerbie AU - J L Simpson PY - 1979 DO - 10.1016/0002-9378(79)90060-7 UR - https://pubmed.ncbi.nlm.nih.gov/434004/ ID - 434004 ER -