Howard, E. J., Harville, E., Kissinger, P., & Xiong, X. (2013). The Association Between Short Interpregnancy Interval and Preterm Birth in Louisiana: A Comparison of Methods. Matern Child Health J.
Chicago Style aipamenaHoward, Elizabeth J., Emily Harville, Patricia Kissinger, and Xu Xiong. "The Association Between Short Interpregnancy Interval and Preterm Birth in Louisiana: A Comparison of Methods." Matern Child Health J 2013.
MLA aipamenaHoward, Elizabeth J., Emily Harville, Patricia Kissinger, and Xu Xiong. "The Association Between Short Interpregnancy Interval and Preterm Birth in Louisiana: A Comparison of Methods." Matern Child Health J 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.