Polar bear liver, vitamin A, aquaporins, and pseudotumor cerebri

Determination of vitamins D, A, and E in

Determination of vitamins D, A, and E in sera and vitamin D in milk from captive and free-ranging polar bears (Ursus maritimus), and 7-dehydrocholesterol levels in skin from captive polar bears

✍ David E. Kenny; Nancy A. Irlbeck; Tai C. Chen; Zhiren Lu; Michael F. Holick 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 39 KB

The difference between serum levels from 36 captive and 56 free-ranging polar bears (Ursus maritimus) for 25-hydroxyvitamin D (25-OH-D) was found not to be significant (mean ± SD = 348 ± 215 nmol/L [captive], 360 ± 135 nmol/L [freeranging], t = 0.30, df = 52.8, P = 0.76), whereas the difference for