How much loss to follow-up is acceptable in long-term randomised trials and prospective studies?
作者信息
Fewtrell Mary S, Kennedy Kathy, Singhal Atul, Martin Richard M, Ness Andy, Hadders-Algra Mijna, Koletzko Berthold, Lucas Alan
机构信息
Childhood Nutrition Research Centre, UCL Institute of Child Health, London, UK.
出版信息
Arch Dis Child. 2008 Jun;93(6):458-61. doi: 10.1136/adc.2007.127316.
PMID:18495909
Abstract
摘要
Zotero 插件