retains retain to retake the city retake the exam to retake the island retake the ship retake the test retaken retakes retake retaking retalhuleu retaliated retaliates retaliate retaliating retaliation retaliatory action retaliatory attacks retaliatory measures retaliatory strike retaliatory tariffs retaliatory retamar retapamulin retard nation retardants retardant retardation retarded boy retarded brother retarded children retarded development retarded friend retarded growth retarded kid retarded people retarded son retarded retarder retarding retardo retards retard retargeting ads retargeting campaigns retargeting retarget reta retching retcon retd retellings retelling retentate retention can retention capacity retention effect retention force retention levels retention obligations retention of data retention of documents retention of information retention of nitrogen retention of personal data retention of personal information retention of records retention of the status quo retention of title clause retention of title retention of water retention on board retention periods retention period retention policies retention policy retention program retention rates retention rate retention requirements retention rules retention schedule retention system retention times retention time retention to the retention retentive reteplase retest period retesting retest retex rete retford rethel rethink the concept to rethink the way rethinking education rethinking the role rethinking rethink rethought rethrick rethymnon rethymno retiarius reticence reticent reticles reticle reticular activating system reticular formation reticular structure reticular reticulata reticulated python reticulated reticulation reticulatus reticule reticulin reticulocyte count reticulocytes reticuloendothelial system reticulum retief retie retigabine retightening retin-a retina at the back of the eye retina display retina of the eye retina scan retina screens retina screen retinal artery retinal atrophy retinal bleeding retinal cells retinal damage retinal degeneration retinal detachment retinal diseases retinal disorders retinal explant retinal exudates retinal function retinal haemorrhage retinal hemorrhage retinal implant retinal scanner retinal scan retinal tear retinal vein occlusion retinal retinas retina to the retina reting retinitis pigmentosa retinitis retino-a retinoblastoma retinoic acid retinoic retinoids retinoid retinol retinopathy of prematurity retinopathy retinues retinue retinyl palmitate retinyl retin retired army retired at the end retired captain retired colonel retired cop retired couple retired detective retired doctor retired employees retired engineer retired footballer retired from acting retired from active service retired from politics retired from public life retired from service retired from teaching retired from the army retired from the navy retired from the stage retired judge retired last year