part_of surgical implantation sham surgical control condition surgical device implantation sham procedure 2013-12-20T14:06:20Z This is any condition in which the main influencing factor is surgical control device implantation in which the control device does not dispense the chemical, drug, or electrical stimulation dispensed by the experimental device. XCO:0000367 control surgical device implantation experimental_condition_ontology jsmith sham surgical device implantation