Park, M. S., Moon, S., Lee, H., Kim, S. W., Kim, T., Lee, S. Y., & Riew, K. D. (2013). The effect of age on cervical sagittal alignment: Normative data on 100 asymptomatic subjects. Spine (Philadelphia, Pa. 1976), 38(8), E458. https://doi.org/10.1097/BRS.0b013e31828802c2
Chicago Style (17th ed.) CitationPark, Moon Soo, Seong-Hwan Moon, Hwan-Mo Lee, Seok Woo Kim, Tae-Hwan Kim, Seung Yeop Lee, and K Daniel Riew. "The Effect of Age on Cervical Sagittal Alignment: Normative Data on 100 Asymptomatic Subjects." Spine (Philadelphia, Pa. 1976) 38, no. 8 (2013): E458. https://doi.org/10.1097/BRS.0b013e31828802c2.
MLA (9th ed.) CitationPark, Moon Soo, et al. "The Effect of Age on Cervical Sagittal Alignment: Normative Data on 100 Asymptomatic Subjects." Spine (Philadelphia, Pa. 1976), vol. 38, no. 8, 2013, p. E458, https://doi.org/10.1097/BRS.0b013e31828802c2.