投稿日：2018/04/27(金) 03:53
投稿者：Liam　[home]　[mail]

On another call stud 100 dubai The accuracy of the health estimates vary from country to country based on the amount of data that has been collected. It is difficult for researchers to work in high conflict areas. For example, in the Democratic Republic of the Congo, where war has waged for the better part of two decades, only five surveys have been conducted since 1970. Therefore, its child mortality estimate is less certain to be on point than, say, Bangladesh, where researchers have published seven surveys since 2000.