![Effectiveness and tolerability of the Petasites hybridus leaf extract Ze 339 in the treatment of allergic rhinitis in a paediatric population Effectiveness and tolerability of the Petasites hybridus leaf extract Ze 339 in the treatment of allergic rhinitis in a paediatric population](http://ve.scielo.org/img/fbpe/avft/v34n1/art02fig3.gif)
Effectiveness and tolerability of the Petasites hybridus leaf extract Ze 339 in the treatment of allergic rhinitis in a paediatric population
![PDF) Treating intermittent allergic rhinitis: A prospective, randomized, placebo and antihistamine-controlled study of Butterbur extract Ze 339 PDF) Treating intermittent allergic rhinitis: A prospective, randomized, placebo and antihistamine-controlled study of Butterbur extract Ze 339](https://i1.rgstatic.net/publication/7646848_Treating_intermittent_allergic_rhinitis_A_prospective_randomized_placebo_and_antihistamine-controlled_study_of_Butterbur_extract_Ze_339/links/5adaee25a6fdcc2935887d92/largepreview.png)
PDF) Treating intermittent allergic rhinitis: A prospective, randomized, placebo and antihistamine-controlled study of Butterbur extract Ze 339
![Effectiveness and tolerability of the Petasites hybridus leaf extract Ze 339 in the treatment of allergic rhinitis in a paediatric population Effectiveness and tolerability of the Petasites hybridus leaf extract Ze 339 in the treatment of allergic rhinitis in a paediatric population](http://ve.scielo.org/img/fbpe/avft/v34n1/art02fig5.gif)
Effectiveness and tolerability of the Petasites hybridus leaf extract Ze 339 in the treatment of allergic rhinitis in a paediatric population
![Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro](https://www.mdpi.com/viruses/viruses-14-00106/article_deploy/html/images/viruses-14-00106-g004-550.jpg)
Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro
![Extract matrix composition does not affect in vitro leukotriene inhibitory effects of the Petasites hybridus extract Ze 339 - ScienceDirect Extract matrix composition does not affect in vitro leukotriene inhibitory effects of the Petasites hybridus extract Ze 339 - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0367326X21001611-gr2.jpg)
Extract matrix composition does not affect in vitro leukotriene inhibitory effects of the Petasites hybridus extract Ze 339 - ScienceDirect
![Effectiveness and tolerability of the Petasites hybridus leaf extract Ze 339 in the treatment of allergic rhinitis in a paediatric population Effectiveness and tolerability of the Petasites hybridus leaf extract Ze 339 in the treatment of allergic rhinitis in a paediatric population](http://ve.scielo.org/img/fbpe/avft/v34n1/art02fig4.gif)
Effectiveness and tolerability of the Petasites hybridus leaf extract Ze 339 in the treatment of allergic rhinitis in a paediatric population
![Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro](https://www.mdpi.com/viruses/viruses-14-00106/article_deploy/html/images/viruses-14-00106-g002.png)
Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro
![Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro](https://www.mdpi.com/viruses/viruses-14-00106/article_deploy/html/images/viruses-14-00106-g001.png)
Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro
![Extract matrix composition does not affect in vitro leukotriene inhibitory effects of the Petasites hybridus extract Ze 339 - ScienceDirect Extract matrix composition does not affect in vitro leukotriene inhibitory effects of the Petasites hybridus extract Ze 339 - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0367326X21001611-ga1.jpg)
Extract matrix composition does not affect in vitro leukotriene inhibitory effects of the Petasites hybridus extract Ze 339 - ScienceDirect
![Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro](https://www.mdpi.com/viruses/viruses-14-00106/article_deploy/html/images/viruses-14-00106-g003-550.jpg)
Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro
![Effectiveness and tolerability of the Petasites hybridus leaf extract Ze 339 in the treatment of allergic rhinitis in a paediatric population Effectiveness and tolerability of the Petasites hybridus leaf extract Ze 339 in the treatment of allergic rhinitis in a paediatric population](http://ve.scielo.org/img/fbpe/avft/v34n1/art02fig7.gif)
Effectiveness and tolerability of the Petasites hybridus leaf extract Ze 339 in the treatment of allergic rhinitis in a paediatric population
![Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro](https://www.mdpi.com/viruses/viruses-14-00106/article_deploy/html/images/viruses-14-00106-g004.png)
Viruses | Free Full-Text | The Petasites hybridus CO2 Extract (Ze 339) Blocks SARS-CoV-2 Replication In Vitro
![PDF) Treatment of Early Allergic and Late Inflammatory Symptoms of Allergic Rhinitis with Petasites Hybridus Leaf Extract (Ze 339): Results of a Noninterventional Observational Study in Switzerland PDF) Treatment of Early Allergic and Late Inflammatory Symptoms of Allergic Rhinitis with Petasites Hybridus Leaf Extract (Ze 339): Results of a Noninterventional Observational Study in Switzerland](https://i1.rgstatic.net/publication/349597471_Treatment_of_Early_Allergic_and_Late_Inflammatory_Symptoms_of_Allergic_Rhinitis_with_Petasites_Hybridus_Leaf_Extract_Ze_339_Results_of_a_Noninterventional_Observational_Study_in_Switzerland/links/6037a8294585158939cce44d/largepreview.png)