单词：case control study
单词：case control study 相关文章
DEVELOPMENT REPORT – December 9, 2002: Tuberculosis Control Program in India By Jill Moss This is the VOA Special English Development Report. There are more people with tuberculosis in India than in
农业与发展
By Paul Sisco Washington, DC 16 June 2006 watch Electronic Stability report A study released in the United States this week says putting electronic stability controls on new motor vehicles would significantly reduce fatalities. ---------------------
2006年VOA标准英语（六月）
BEIJING, May 3 (Xinhuanet) -- Children who regularly have meals with their families tend to enjoy better health and have a considerably(相当地) lower risk of obesity, an article in Monday's issue of Pediatrics said. The article said researchers ha
英语新闻
CASE STUDY 案例 Introduction The following case covers all the telexes exchanged between a firm in Holland (the buyer) and an import and export company of our country (the seller) for a transaction on 200 M/T of some primary product. In this transa
实用英语
STEVE INSKEEP, HOST: Let's ask what a classic test of child psychology shows in a different culture - a test of self-control which involves being presented with a tasty marshmallow, which you're not supposed to eat. Researchers found a culture where
2017年NPR美国国家公共电台7月