美国
玉米——这个国家的食物在每顿饭中都有一定的作用——开胃、营养、经济`Corn – the food of the nation Serve some way every meal – appetizing, nourishing, economical (1918) by Lloyd Harrison
美国
牙科修复材料的作用和副作用`Effects and side effects of dental restorative materials (1991) by National Institutes of Health
美国
雄激素受体利用激素作用的差异`Androgen receptors; exploiting differences in hormone action (1996) by National Institutes of Health
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