Booker, W. A., Gyamfi-Bannerman, C., Sheen, J., Wright, J. D., Siddiq, Z., D’Alton, M. E., & Friedman, A. M. (2018). Maternal Outcomes by Race for Women Aged 40 Years or Older. Obstet Gynecol.

Booker, Whitney A., Cynthia Gyamfi-Bannerman, Jean-Ju Sheen, Jason D. Wright, Zainab Siddiq, Mary E. D’Alton, و Alexander M. Friedman. "Maternal Outcomes By Race for Women Aged 40 Years or Older." Obstet Gynecol 2018.

Booker, Whitney A., et al. "Maternal Outcomes By Race for Women Aged 40 Years or Older." Obstet Gynecol 2018.