1. Controversies in assisted reproduction: Oocyte donation

   • Pedro N. Barri
   • Buenaventura Coroleu
   • Anna Veiga

   News and Views Pages: 489 - 491

2. Controversies in regards to oocyte donation

   • D. de Ziegler

   News and Views Pages: 491 - 494

3. Effects of pentoxifylline on human sperm parametersin Vitro

   • I. Mladenovic
   • S. Micic
   • N. Papic

   OriginalPaper Pages: 495 - 499

4. Embryo growth ratein vitro as an indicator of embryo quality in IVF cycles

   • Aby Lewin
   • Joseph G. Schenker
   • Benjamin E. Reubinoff

   OriginalPaper Pages: 500 - 503

5. Exogenous gonadotropin administration affects the glycocalyx of rat endometrial epithelial cells during the period of implantation

   • Beverley Kramer
   • Gwynneth De Wet

   OriginalPaper Pages: 504 - 509

6. Bilirubin helps to overcome the two-cell block in mouse oocyte cultures

   • Charles Mansfield
   • Takao Fukaya
   • Akira Yajima

   OriginalPaper Pages: 510 - 514

7. Light and electron microscopic analysis of bovine embryos derived byin Vitro andin Vivo fertilization

   • L. Plante
   • W. A. King

   OriginalPaper Pages: 515 - 529

8. The titer of sperm agglutinating activity remains constant in women during ovarian stimulation for IVF

   • Phillip L. Matson
   • David R. Morroll

   Short Communication Pages: 530 - 531