S. CharoenkiatkulA. ValyaseviK. TontisirinMahidol University2018-10-122018-10-121985-01-01Food & Nutrition Bulletin. Vol.7, No.3 (1985), 72-762-s2.0-0022183269https://repository.li.mahidol.ac.th/handle/20.500.14594/30735Attempts to determine whether the solutions to the problems of vitamin A deficiency should focus on increasing dietary intake of provitamin A present in vegetables which are already available locally or which can be introduced into rural northern and northeast Thailand. Confirms the effectiveness of this solution.-from AuthorsMahidol UniversityAgricultural and Biological SciencesNursingSocial SciencesArticleSCOPUS