what medical trial is sponsored by national institute of drug abuse?
Entity Entity Entity Entity
m.03zbbvr m.03zbbw1 m.03zbbvx m.03zbbw6
Pharmacological Modulation of Cocaine Effects – 1 Cocaine Effects in Humans: Physiology and Behavior – 1 Feasibility Study of Take-Home LAAM Medication – 3 Rapid Evaluation of Amantadine for Treatment of Cocaine Abuse/Dependence – 4
class entity
medicine.medical_trial m.0559x2
medicine.medical_trial medicine.medical_trial_sponsor
Medical trial national institute of drug abuse
none none
medicine.medical_trial.sponsor
Sponsor
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :medicine.medical_trial . 
VALUES ?x1 { :m.0559x2 } 
?x0 :medicine.medical_trial.sponsor ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND medicine.medical_trial (JOIN medicine.medical_trial.sponsor m.0559x2))