![](https://s3.amazonaws.com/cache.altmetric.com/policy/thumbnails/thumbnail-4300803a6a0baae9f9a010eb4d9a7cd770f5be5295d4e9fd86fc68def1a5019f.jpg)
Effect of latitude on seasonal variations of vitamin D and some cardio metabolic risk factors: national food and nutrition surveillance
Cited by World Health Organization on
The World Health Organization (WHO) is the directing and coordinating authority for health within the United Nations system.