Maternal muscle mass may influence system A activity in human placenta.

MLA

Lewis, R. M., et al. “Maternal Muscle Mass May Influence System A Activity in Human Placenta.” Placenta, vol. 31, no. 5, May 2010, pp. 418–22. EBSCOhost, https://doi.org/10.1016/j.placenta.2010.02.001.

APA

Lewis, R. M., Greenwood, S. L., Cleal, J. K., Crozier, S. R., Verrall, L., Inskip, H. M., Cameron, I. T., Cooper, C., Sibley, C. P., Hanson, M. A., & Godfrey, K. M. (2010). Maternal muscle mass may influence system A activity in human placenta. Placenta, 31(5), 418–422. https://doi.org/10.1016/j.placenta.2010.02.001

Chicago

Lewis, R M, S L Greenwood, J K Cleal, S R Crozier, L Verrall, H M Inskip, I T Cameron, et al. 2010. “Maternal Muscle Mass May Influence System A Activity in Human Placenta.” Placenta 31 (5): 418–22. doi:10.1016/j.placenta.2010.02.001.