1. In vitro fertilization enters stormy adolescence as experts debate the odds;Raymond;JAMA,1988
2. Regional targets for reaching health for all;Who,1984
3. Evaluating technology for national health policy;Banta,1986
4. IVF and GIFT pregnancies. Australia and New Zealand, 1987;National Perinatal Statistics Unit,1988
5. Report of IVF/GIFT survey;United States Congress,1989