Cita APA

Bours, P. H. A., Wielders, J. P. M., Vermeijden, J. R., & van de Wiel, A. (2010). Seasonal variation of serum 25-hydroxyvitamin D levels in adult patients with inflammatory bowel disease. Springer-Verlag.

Chicago Style Citation

Bours, P. H. A., J. P. M. Wielders, J. R. Vermeijden, i A. van de Wiel. Seasonal Variation of Serum 25-hydroxyvitamin D Levels in Adult Patients With Inflammatory Bowel Disease. Springer-Verlag, 2010.

Cita MLA

Bours, P. H. A., J. P. M. Wielders, J. R. Vermeijden, i A. van de Wiel. Seasonal Variation of Serum 25-hydroxyvitamin D Levels in Adult Patients With Inflammatory Bowel Disease. Springer-Verlag, 2010.