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Adherence to '5-2-1-0' guidelines and multiple risky behaviours among adolescents in nine sub-Saharan African countries: evidence from Global School-based Student Health Survey 2012-2017.
called ‘5-2-1-0’, promotes healthy eating habits, physical activity and limited screen time among young people.This study aimed to assess adherence to the ‘5-2-1-0’ recommendations and to study multiple ...
Regulatory expectations on the use of vaccine reference standards for maintaining product quality.
not (or in limited quantities) available, the use of suitable and properly qualified in-house standards is a valid alternative, but additional qualification requirements might apply. Relevant Guidance ...