To locate the RCTs, we added a filter after the PICO search strategy that included the following terms: AND Clinical Trial OR Controlled Clinical Trial OR Randomized Controlled Trial.
Para localizar los ECAs, añadimos un filtro tras la estrategia de búsqueda PICO que incluyó los siguientes términos: AND Clinical Trial OR Controlled Clinical Trial OR Randomized Controlled Trial.
Para a localização de ECR, foi incluído, após a busca via estratégia PICO, a estratégia de adicionar um filtro incluindo os seguintes termos AND Clinical Trial OR Controlled Clinical Trial OR Randomized Controlled Trial.