Maintenance: From Wednesday, May 30, 2018 6:00 p.m. to Thursday, May 31, 2018 morning, maintenance work on the ZORA servers is scheduled. ZORA will not be available during this period. Thank you for your patience.
Cannell, J J; Vieth, R; Willett, W; Zasloff, M; Hathcock, J N; White, J H; Tanumihardjo, S A; Larson-Meyer, D E; Bischoff-Ferrari, H A; Lamberg-Allardt, C J; Lappe, J M; Norman, A W; Zittermann, A; Whiting, S J; Grant, W B; Hollis, B W; Giovannucci, E (2008). Cod liver oil, vitamin A toxicity, frequent respiratory infections, and the vitamin D deficiency epidemic. Annals of Otology, Rhinology and Laryngology, 117(11):864-870.