NCT00168831 arm group 1416f201e7f985db34e38e5cec83a789 [clinicaltrials_resource:NCT00168831/arm-group/1416f201e7f985db34e38e5cec83a789]

NCT00168831 arm group 1416f201e7f985db34e38e5cec83a789 [clinicaltrials_resource:NCT00168831/arm-group/1416f201e7f985db34e38e5cec83a789]