http://www.gopubmed.org/web/gopubmed/
Glean Comparison Search Semantic search Guha et al. distinguish two major forms of search: navigational and research.[3] In navigational search, the user is using the search engine as a navigation tool to navigate to a particular intended document. Semantic search is not applicable to navigational searches. In research search, the user provides the search engine with a phrase which is intended to denote an object about which the user is trying to gather/research information. Répertoires des essais cliniques de médicaments L'ANSM autorise les essais cliniques en France. Pour quelques pathologies spécifiques (sida, hépatites, cancers, maladies rares), plusieurs institutions proposent, en coordination avec l’ANSM, des registres spécialisés. Ces registres contiennent les principales informations concernant l’essai. D’autres informations complémentaires peuvent être obtenues auprès du promoteur de chaque essai. Cancer
GazoPa has been shut down.
Base de datos del sector medico. Además de búsquedas hace análisis. by chaurbernal Mar 15