The Montreal Protocol is the international agreement designed to protect the ozone layer by phasing out production of Cfc's and halons.
BBC: News | Sci/Tech | Ozone hole reaches record size
But if doctors can preserve remaining insulin production in their new patients, they might someday be able to layer on other drugs that would prod the insulin-producing cells to slowly regenerate.
FORBES: Magazine Article
应用推荐
模块上移
模块下移
不移动