TY - RPRT TI - Polymorphonuclear elastase and interleukin-6 in amniotic fluid in preterm labor. AU - A Rivero-Marcotegui AU - C Larrañaga-Azcárate AU - R Ceres-Ruiz AU - S García-Merlo PY - 1997 UR - https://pubmed.ncbi.nlm.nih.gov/9166251/ ID - 9166251 ER -