![Vitamin D status assessed by a validated HPLC method: within and between variation in subjects supplemented with vitamin D
<sub/>3</sub>]()
Vitamin D status assessed by a validated HPLC method: within and between variation in subjects supplemented with vitamin D
<sub/>3</sub>Jakobsen, Jette; Bysted, Anette; Andersen, Rikke; Bennett, Teressa; Brot, Christine; Bügel, Susanne; Cashman, Kevin D.; Denk, Eberhard; Harrington, Mary; Teucher, Birgit; Walczyk, Thomas; Ovesen, Lars · Scandinavian Journal of Clinical & Laboratory Investigation · 2009