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The tremendous increase in the output of scientific articles on reproduction Is symptomatic of the growth of science within this field. Last year about 20. 000 tItles were listed. There is, conse quently, a need for limited meetings, where actual problems in re production can be surveyed and discussed openly. In the IFA sympo sium in Stockholm 2-4 April 1970, 120 delegates from 18 different countries took part. The papers discussed on this occasion all have great general interest in the field of reproduction. September, 1970 Axel Ingelman-Sundberg President International Fertility Association v CONTRIBUTORS Jacob H. Aafjes, Department of Endocrinology, Growth and Reproduction, Rotterdam Medical Faculty, Rotterdam, The Netherlands Matti Alanko, Department of Obstetrics and Gynecology, College of Veterinary Medicine, Hautjarvi, Finland Nathan Amit, Semenology Institute, Tel Aviv, Israel S. J. Behrman, Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan a G. Benagiano, I Clinica Ostetrica e Ginecologica dell’Universita di Roma, Rome, Italy S. Bergstrom, Institute of Human Anatomy, Uppsala, Sweden R. Blobel, University Frauenklinik, Tubingen, Germany R. E. Bower, Department of Animal Science, University of Minnesota, St. Paul, Minnesota G. Brenci, G. Mendel Institute for Medical Genetics and Twin Research, Rome, Italy K. I. Brown, Department of Animal Science, University of Minnesota, St. Paul, Minnesota a L. Carenza, I Clinica Ostetrica e Ginecologica dell’Universita di Roma, Rome, Italy Lars Carlborg, Department of Obstetrics and Gynecology, University Hospital, Uppsala, Sweden B.
