function dosageDetails() {
        $helper = $this->createDosageHelper();
        try {
            $dosage = $helper->getDosageFromInput();
        } catch ( Helper_Dosage_ObjectNotFoundException $e ) {
            return $this->error404();
        }

        if ( $this->hasRequestVar('save') ) {
            $helper->toModel($dosage);
        } else {
            $helper->toView($dosage);
        }
        $helper->toViewMeasureUnits();
        $helper->toViewSitesAdverts();
        $site = $helper->getSiteFromInput();
        if ( is_null($site) ) {
            $helper->toViewPackages($dosage, true);
        } else {
            $helper->toViewPackagesToModelOverrides($dosage, $site, true);
        }
        $this->display('item-product-dosage.tpl');
    }