où G est la constante gravitationnelle, elle vaut dans les unités SI, le CODATA de 2006. Chargé par Tycho Brahe d'étudier le mouvement des planètes, Johannes Kepler écrit ses conclusions dans ...
Universal health coverage (UHC) is about ensuring that everyone, especially the most vulnerable, has access to the quality health care they need without suffering financial hardship. It is key to ...
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