Osunkwo, I., Hodgman, E. I., Cherry, K., Dampier, C., Eckman, J., Ziegler, T. R., … Tangpricha, V. (2011). Vitamin D deficiency and chronic pain in sickle cell disease. Br J Haematol, 153(4), 538–540. https://doi.org/10.1111/j.1365-2141.2010.08458.x

Osunkwo, Ifeyinwa, Erica I. Hodgman, Korin Cherry, Carlton Dampier, James Eckman, Thomas R. Ziegler, Solomon Ofori-Acquah, and Vin Tangpricha. “Vitamin D deficiency and chronic pain in sickle cell disease.” Br J Haematol 153, no. 4 (May 2011): 538–40. https://doi.org/10.1111/j.1365-2141.2010.08458.x.

Osunkwo I, Hodgman EI, Cherry K, Dampier C, Eckman J, Ziegler TR, et al. Vitamin D deficiency and chronic pain in sickle cell disease. Br J Haematol. 2011 May;153(4):538–40.

Osunkwo, Ifeyinwa, et al. “Vitamin D deficiency and chronic pain in sickle cell disease.” Br J Haematol, vol. 153, no. 4, May 2011, pp. 538–40. Pubmed, doi:10.1111/j.1365-2141.2010.08458.x.

Osunkwo I, Hodgman EI, Cherry K, Dampier C, Eckman J, Ziegler TR, Ofori-Acquah S, Tangpricha V. Vitamin D deficiency and chronic pain in sickle cell disease. Br J Haematol. 2011 May;153(4):538–540.