3) Dallenbach-Hellweg, G.: Histopathology of the endometrium, pp50-82, Springer-Verlag, Berlin, Heidelberg, New York, 1981.
4) Johannisson, E. Parker, R.A., Landgren, B.M. and Diczfalusy, E.: Morphometric analysis of the human endometrium in relation to peripheral hormone levels, Fertil. Steril., 38: 564-573, 1982.