A pilot study of maternal vitamin D status and its association with breast milk and infant gut metabolites. - Gutierrez, Alyssa S.; Chetta, Katherine E.; Thapa, Santosh; Haidacher, Sigmund J.; Hoch, Kathleen M.; Baatz, John E.; Haag, Anthony M.; Oezguen, Numan; Horvath, Thomas D.; Wagner, Carol L.; Engevik, Melinda A. (Physiological Reports, 2026)