TY - RPRT TI - Particulate fraction in amniotic fluid at second trimester. AU - H Jalanko AU - J Rapola AU - E Lehtonen PY - 1985 DO - 10.1136/jcp.38.9.1065 UR - https://pubmed.ncbi.nlm.nih.gov/2864355/ ID - 2864355 ER -