THLltä
THLltä is a Finnish term that translates to "from THL". THL is the National Institute for Health and Welfare in Finland, known by its Finnish acronym, Terveyden ja hyvinvoinnin laitos. When something is described as "THLltä", it indicates that the information, data, or recommendation originates from this governmental research and development institution.
The National Institute for Health and Welfare is responsible for social welfare, health promotion, and public