Gustaf Rejnö, Karolinska Institutet (IMAGE) Karolinska Institutet Caption This is Gustaf Rejnö, obstetrician and researcher at Karolinska Institutet in Sweden. Credit Gunilla Sonnebring Usage Restrictions The photo may only be used in connection to reports about Gustaf Rejnö's research. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.