public function relations()
{
return array('clinic_outcome_status' => array(self::BELONGS_TO, 'OEModule\\OphCiExamination\\models\\OphCiExamination_ClinicOutcome_Status', 'clinic_outcome_status_id'), 'followup_period' => array(self::BELONGS_TO, 'Period', 'followup_period_id'));
}