APA (7th ed.) Citation

Christ, M., Seyffart, K., & Wehling, M. (1999). Attenuation of heart-rate variability in postmenopausal women on progestin-containing hormone replacement therapy. The lancet, 353(9168), . https://doi.org/10.1016/S0140-6736(99)00639-X

Chicago Style (17th ed.) Citation

Christ, Michael, Karen Seyffart, and Martin Wehling. "Attenuation of Heart-rate Variability in Postmenopausal Women on Progestin-containing Hormone Replacement Therapy." The Lancet 353, no. 9168 (1999). https://doi.org/10.1016/S0140-6736(99)00639-X.

MLA (9th ed.) Citation

Christ, Michael, et al. "Attenuation of Heart-rate Variability in Postmenopausal Women on Progestin-containing Hormone Replacement Therapy." The Lancet, vol. 353, no. 9168, 1999, https://doi.org/10.1016/S0140-6736(99)00639-X.