More detailed results of the study are expected to be presented at a conference in France later this month.

VOA: special.2009.10.13

Now,we talk to a researcher who presented a study this week at the Pediatric Academic Societies meeting in Vancouver,Canada.

VOA: special.2010.05.06

The latest study was presented Saturday at a meeting of the Society for Health Care Epidemiology in Dallas,Texas.

VOA: special.2011.04.06

The results of the study are expected to be presented to the government in the near future.

VOA: standard.2010.05.10