Tokyol C., Aktepe F., Hüsniye Dilek F. and 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), pp. 235–242. doi: 10.3109/2000-1967-231.