Assertion: gene's child | /r/HasProperty | effective
Facets:
value: seemingly
type: DEGREE
Source sentences:
text: In 2003, the field of gene therapy took a step forward and a step back; first gene therapy drug was approved, Gendicine, which was approved in China for the treatment of certain cancers, but children in France who had seemingly been effective treated with gene therapy for severe combined immunodeficiency (non-human) began developing leukemia.