Prospectivestudies may provide a better understanding of the reason for the shifting epidemiology of enteric fever in Guangxi province.
前瞻性研究可能让人们更好地理解广西伤寒肠热病转移流行病学的原因。
2
Rigorous prospectivestudies are needed to identify mechanisms and causes.
需要进行严格的前瞻性研究以确定机制和原因。
3
A better way to analyse the relationship between diet and cancer is to conduct "prospectivestudies", which ideally follow hundreds of thousands of people who don't have cancer.