?:authorAffiliation
|
-
[\'The Division of Infection Control and Environmental Health, Norwegian Institute of Public Health, P.O. Box 222 Skøyen, 0213 Oslo, Norway. Electronic address: lill.trogstad@fhi.no.\', \'The Division of Infection Control and Environmental Health, Norwegian Institute of Public Health, P.O. Box 222 Skøyen, 0213 Oslo, Norway.\', \'The Centre for Fertility and Health, Norwegian Institute of Public Health, P.O. Box 222 Skøyen, 0213 Oslo, Norway.\']
|