has not been disclosed has not been discussed has not been documented has not been done has not been enabled has not been established has not been evaluated in patients has not been evaluated has not been examined has not been excluded has not been explained has not been explored has not been extended has not been finalized has not been fixed has not been formed has not been found has not been functioning has not been given has not been granted has not been handled has not been harmed has not been identified has not been implemented has not been improved has not been in use has not been included has not been informed has not been installed has not been investigated has not been issued has not been left has not been limited has not been lost has not been made has not been matched has not been mentioned has not been met has not been modified has not been observed has not been opened has not been paid has not been presented has not been preserved has not been processed has not been produced has not been proposed has not been proven has not been provided has not been published has not been questioned has not been raised has not been ratified has not been reached has not been read has not been received has not been recognised has not been recognized has not been recorded has not been recovered has not been reduced has not been refused has not been registered has not been released has not been removed has not been renewed has not been reported has not been requested has not been resolved has not been restored has not been restricted has not been revealed has not been reviewed has not been revoked has not been said has not been saved has not been seen has not been seized has not been selected has not been sent has not been settled has not been set has not been shipped has not been shown has not been signed has not been solved has not been sought has not been specified has not been started has not been stored has not been studied in children has not been studied in patients has not been studied has not been submitted has not been taken has not been tested has not been the case has not been translated has not been used has not been verified has not been won has not been worn has not begun has not brought has not ceased has not challenged has not changed has not chosen has not come has not commenced has not commented has not committed has not communicated has not completed has not complied has not concluded has not conducted has not confessed has not confirmed has not continued has not contributed has not created has not decided has not declared has not declined has not decreased has not defined has not delegated has not delivered an opinion has not demonstrated has not designated has not deteriorated has not developed has not diminished has not disappeared has not disclosed has not done has not eased has not ended has not endorsed has not ensured has not entered into force has not escaped has not established has not examined has not exceeded has not excluded has not exhausted has not expired has not explained has not faded has not filled has not followed has not forgotten has not forsaken has not found has not fulfilled has not gained has not given has not gone has not got has not granted has not had has not happened has not harmed has not heard has not helped has not hesitated has not hindered has not identified has not implemented has not imposed has not improved has not included has not increased has not indicated has not initiated has not issued has not kept pace has not kept has not led has not left us has not left has not limited has not lost has not made has not managed has not met has not narrowed has not neglected has not notified has not obtained has not occurred has not only changed has not only helped has not only increased has not only made has not operated has not overcome has not paid