TY - RPRT TI - Thromboplastin activity in amniotic fluid. AU - I H Omsjø AU - P Oian AU - J M Maltau AU - B Osterud PY - 1985 DO - 10.1159/000299000 UR - https://pubmed.ncbi.nlm.nih.gov/3988141/ ID - 3988141 ER -