M. Terzic, Milan, Darko Plecas, Mirko M. Bulajic, Bojan Stimec, and Bratislav Velimirovic. 1994. “Prediction of Fetal Distress by Low Intra-amniotic Lysozyme Level”. Thai Journal of Obstetrics and Gynaecology 6 (1). Bangkok, Thailand:19-21. https://he02.tci-thaijo.org/index.php/tjog/article/view/257793.