WHO注册网络中七个注册中心的管理员组成临床试验注册最佳实践工作组。
Administrators of seven registries in the WHO Registry Network make up the Working Group on Best Practice for Clinical Trials Registers.
挑战食物：来自EuroPrevall工作组的研究团队正在利用一种巧克力甜食做试验。在这种甜食中加入过敏原不会使口味发生明显变化。
Food challenges: Research teams from the EuroPrevall task force are using a chocolate dessert which can be spiked with an allergen without a noticeable change in flavour.
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