Petra Otterblad Olausson

External review and validation of the Swedish national inpatient register

Jonas F. Ludvigsson, Eva Andersson, Anders Ekbom et al. · BMC Public Health · 2011 · 4.9K citations · Full text

The new Swedish Prescribed Drug Register—Opportunities for pharmacoepidemiological research and experience from the first six months

Björn Wettermark, Niklas Hammar, C. MichaelFored et al. · Pharmacoepidemiology and Drug Safety · 2006 · 1.8K citations · Full text

Maternal use of selective serotonin re‐uptake inhibitors in early pregnancy and infant congenital malformations

Bëngt Källén, Petra Otterblad Olausson · Birth Defects Research Part A Clinical and Molecular Teratology · 2007 · 271 citations

In vitro fertilization (IVF) in Sweden: Risk for congenital malformations after different IVF methods

Bëngt Källén, Orvar Finnström, K.G. Nygren et al. · Birth Defects Research Part A Clinical and Molecular Teratology · 2005 · 237 citations

Teenage pregnancies and risk of late fetal death and infant mortality

Petra Otterblad Olausson, Sven Cnattingius, Bengt Haglund · BJOG An International Journal of Obstetrics & Gynaecology · 1999 · 231 citations