1. Female Sex Steroids: Receptors and Functions;Clark,1979
2. Actions of ovarian steroid hormones;Clark,1994
3. In vitro models of implantation;Glasser,1991
4. Blastocyst-endometrial relationships: reciprocal interactions between uterine epithelial and stromal cells and blastocysts;Glasser;Troph. Res.,1991
5. Comparisons of implantation in utero and in vitro;Enders,1981