Tokyol , C., Aktepe , F., Hüsniye Dilek , F., & Yilmazer , M. (2008). Comparison of Placental PTEN and β1 Integrin Expression in Early Spontaneous Abortion, Early and Late Normal Pregnancy. Upsala Journal of Medical Sciences, 113(2), 235–242. https://doi.org/10.3109/2000-1967-231