Istamto, THouthuijs, DLebret, E2025-03-242025-03-2420142488594110.1186/1476-069X-13-35https://rivm.openrepository.com/handle/10029/648060Multi-country willingness to pay study on road-traffic environmental health effects: are people willing and able to provide a number?ArticleEnviron Health 2014; 13(1):352025-03-24