Typically in studies like this you ca n't control for other things that could have contributed to the increased rate of defects , like the severity of the mother 's depression , '' said Dr. Timothy Oberlander , a developmental pediatrician at the University of British Columbia and BC Children 's Hospital in Vancouver .
Vancouver /location/location/contains University of British Columbia
University of British Columbia /location/neighborhood/neighborhood_of Vancouver
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Vancouver
LOCATION
University of British Columbia
ORGANIZATION
/location/location/contains
University of British Columbia
ORGANIZATION
Vancouver
LOCATION
/location/neighborhood/neighborhood_of