Brackley, K. J., Ramsay, M. M., Broughton Pipkin, F., & Rubin, P. C. (1999). The effect of the menstrual cycle on human cerebral blood flow: Studies using Doppler ultrasound. Ultrasound in obstetrics & gynecology, 14(1), 52-57. https://doi.org/10.1046/j.1469-0705.1999.14010052.x
Citácia podle Chicago (17th ed.)Brackley, K. J., M. M. Ramsay, F. Broughton Pipkin, a P. C. Rubin. "The Effect of the Menstrual Cycle on Human Cerebral Blood Flow: Studies Using Doppler Ultrasound." Ultrasound in Obstetrics & Gynecology 14, no. 1 (1999): 52-57. https://doi.org/10.1046/j.1469-0705.1999.14010052.x.
Citácia podľa MLA (8th ed.)Brackley, K. J., et al. "The Effect of the Menstrual Cycle on Human Cerebral Blood Flow: Studies Using Doppler Ultrasound." Ultrasound in Obstetrics & Gynecology, vol. 14, no. 1, 1999, pp. 52-57, https://doi.org/10.1046/j.1469-0705.1999.14010052.x.