Drug	Gene	Type	Source
O-Demethyltramadol	CYP2D6	Text_Mining(increases(chemical synthesis))	CTD
O-Demethyltramadol	CYP2D6	Text_Mining(increases(activity))	CTD
O-Demethyltramadol	CYP2D6	Text_Mining(increases(metabolic processing))	CTD