Global variations in omega-3 fatty acid status and omega-6:omega-3 ratios: insights from > 500,000 whole-blood dried blood spot samples. - Torrissen, Martina; Gisslevik, Emmalee; Gundersen, Thomas E.; Bolstad, Tore; Eide, Ola; Rizzo, Angela Maria; Clayton, Paul; Robertson, Colin (Lipids in Health & Disease, 2025)