1. Single embryo transfer: a mini-review;Bergh;Human Reproduction,2005
2. Single-embryo at in-vitro fertilization. Maintained birth rates in spite of dramatically reduced multiple birth frequency [In Swedish];Bergh;Läkartidningen,2005
3. Attitudes towards single embryo transfer among Nordic IVF doctors;Bergh;Human Reproduction,2005
4. Deliveries and children born after in-vitro fertilisation in Sweden 1982–95: a retrospective cohort study;Bergh;Lancet,1999
5. Congenital anomalies after assisted reproduction;Bergh,2006