权威例句
A Challenge to ConservationistA Challenge to ConservationistsA challenge to the metabolic approach to myocardial ischaemiaObesity: a challenge to esophagogastric junction integrity.Retention in Care: A Challenge to Survival with HIV InfectionThe baryon content of galaxy clusters: a challenge to cosmological orthodoxyMorphological constraint on egg size: a challenge to optimal egg size theory?Human Pharmaceuticals in the Aquatic Environment:A Challenge to Green ChemistryDoctor in the house: the Internet as a source of lay health knowledge and the challenge to expertiseOpenness and Wage Inequality in Developing Countries: The Latin American Challenge to East Asian Conventional Wisdom
