تصفح حسب المؤلف "Haneen, Othman"
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Validation of vitamin D-specific food frequency questionnaire against food records for Qatari women
Ganji, Vijay; Reem, Abu-Dbaa; Haneen, Othman; Menatallah, Zewein; Tamara, Al-Abdi; Zumin, Shi... more authors ... less authors ( MDPI , 2020 , Article)Measurement of vitamin D nutritional status through dietary assessment is cost effective. Food frequency questionnaire (FFQ) is usually validated against food records (FR). There is no vitamin D-specific FFQ for Qatar ...